CN206893787U - Antenna module and wagon detector - Google Patents

Antenna module and wagon detector Download PDF

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Publication number
CN206893787U
CN206893787U CN201720604043.XU CN201720604043U CN206893787U CN 206893787 U CN206893787 U CN 206893787U CN 201720604043 U CN201720604043 U CN 201720604043U CN 206893787 U CN206893787 U CN 206893787U
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China
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radiant body
antenna
antenna module
substrate
antenna holder
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CN201720604043.XU
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Inventor
刘向东
张亚兵
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Mai Rui Data (beijing) Co Ltd
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Mai Rui Data (beijing) Co Ltd
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Priority to CN201720604043.XU priority Critical patent/CN206893787U/en
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Abstract

The utility model provides a kind of antenna module and wagon detector, including:Substrate, the first radiant body, the second radiant body and antenna holder;Substrate is located at the lower end of antenna holder;First radiant body and the second radiant body are arranged on antenna holder, and the first radiant body and the second radiant body are connected;Distributing point and earth point are provided with substrate;First radiant body electrically connects with distributing point, and the second radiant body electrically connects with earth point;First " Г " type fluting is provided with first radiant body, for increasing the frequency bandwidth of antenna module;Second " Г " type fluting is additionally provided with first radiant body, for increasing the gain of antenna module;It uses two radiant bodies, and sets two " Г " types to slot on the first radiant body, to reduce echo damage, standing-wave ratio is improved, increases notch depth, so as to while geomagnetism detecting device size is matched, antenna gain is improved, so as to improve wireless signal strength, improves communication quality.

Description

Antenna module and wagon detector
Technical field
Technology for radio frequency field is the utility model is related to, in particular to a kind of antenna module and wagon detector.
Background technology
Data collecting system plays very important effect, the key component of data collecting system in traffic surveillance and control system It is geomagnetism detecting device, geomagnetism detecting device is generally embedded in underground when in use, is operated in pattern-band, for collection vehicle Information Number Radio communication is carried out according to and with upper end equipment.Wherein, above-mentioned geomagnetism detecting device typically using vertical polarization spring antenna or PCB (Printed Circuit Board, printed circuit board) antenna, signal communication is carried out with the said equipment.
But because the wavelength of the pattern-band of Antenna Operation in geomagnetism detecting device is longer, and the size of antenna and wavelength into Direct ratio, wanting antenna and reach preferable gain, the size of antenna needs to reach a certain size, and due to geomagnetism detecting device and other places The size of buried equipment in itself is smaller, which limits the size of its antenna used, so as to limit the gain of antenna.Together When, because geomagnetism detecting device is buried equipment, the directional diagram of antenna in geomagnetism detecting device can be greatly influenceed, so as to influence antenna Main lobe gain, in this in the case of, antenna can only apply secondary lobe low gain, this results in the spring day of existing application The gain of line or PCB antenna is unable to reach requirement.
Inventor has found under study for action, for antenna in existing geomagnetism detecting device size by geomagnetism detecting device in itself Size has a great influence so that the gain of antenna is unable to reach the problem of requiring, not yet proposes preferable settling mode at present.
Utility model content
In view of this, the purpose of the utility model embodiment is to provide a kind of antenna module and wagon detector, can While geomagnetism detecting device size is matched, antenna gain is improved.
In a first aspect, the utility model embodiment provides a kind of antenna module, including:Substrate, the first radiant body, second Radiant body and antenna holder;
The substrate is located at the lower end of the antenna holder;First radiant body and second radiant body are arranged at On the antenna holder, and first radiant body is connected with second radiant body;
Distributing point and earth point are provided with the substrate;First radiant body electrically connects with the distributing point, described Second radiant body electrically connects with the earth point;
First " Г " type fluting is provided with first radiant body, for increasing the frequency bandwidth of antenna module;It is described Second " Г " type fluting is additionally provided with first radiant body, for increasing the gain of antenna module.
With reference in a first aspect, the utility model embodiment provides the first possible embodiment of first aspect, its In, first radiant body is arranged in the first plane of the antenna holder;
Second radiant body is arranged in the second plane of the antenna holder, second plane and described first flat Face is adjacent and is in 90 degree of angles.
With reference to the first possible embodiment of first aspect, the utility model embodiment provides the of first aspect Two kinds of possible embodiments, wherein, the size of first radiant body is more than the size of second radiant body;
First radiant body includes the contact jaw being in contact with second radiant body, the contact jaw and described first " Г " type fluting is disposed adjacent;
Second " Г " type fluting is located at close to the position of the contact jaw, and is disposed adjacent with the first Г types fluting.
With reference to second of possible embodiment of first aspect, the utility model embodiment provides the of first aspect Three kinds of possible embodiments, wherein, second " Г " type fluting includes vertical portion and reaping hook portion;
Fixed part is provided with the antenna holder, first radiant body passes through on the fixed part and the substrate Distributing point electrically connects;
The vertical portion towards the second plane of the antenna holder extending part in second radiant body and described Between fixed part.
With reference to the third possible embodiment of first aspect, the utility model embodiment provides the of first aspect Four kinds of possible embodiments, wherein, the vertical portion has default radian;The length of the vertical portion is more than the reaping hook portion Length, the width of the vertical portion is less than the vertical range between second radiant body and the fixed part.
With reference in a first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect, its In, second " Г " type fluting is slotted for anti-" 7 " type.
With reference to first aspect the first possible embodiment into the 5th kind of possible embodiment of first aspect Any one possible embodiment, the utility model embodiment provide the 6th kind of possible embodiment of first aspect, Wherein, the altitude range of the antenna holder is 15mm~30mm.
With reference to first aspect the 6th kind of possible embodiment into the 6th kind of possible embodiment of first aspect Any one possible embodiment, the utility model embodiment provide the 7th kind of possible embodiment of first aspect, Wherein, the height of the antenna holder is 20mm.
With reference to the first possible embodiment of first aspect, the utility model embodiment provides the of first aspect Eight kinds of possible embodiments, wherein, described antenna module also includes governor motion;
The governor motion is arranged in first plane of the antenna holder, and first radiant body is arranged on institute State on governor motion;
The governor motion is used to adjust the interval height between first radiant body and the substrate.
Second aspect, the utility model embodiment additionally provide a kind of wagon detector, including:Any one of above-mentioned first party Described antenna module, in addition to single-chip microcomputer;The antenna module and the monolithic mechatronics;
The single-chip microcomputer, which is used to generate, sends signal, and the transmission signal is sent into antenna module;
The antenna module is used to receive the transmission signal, and the transmission signal is sent into upper end equipment;And connect The reception signal that the upper end equipment is sent is received, the reception signal is sent to the single-chip microcomputer;
The single-chip microcomputer is additionally operable to, and is received and is stored the reception signal.
A kind of antenna module and wagon detector that the utility model embodiment provides, using substrate, the first radiant body, the Four parts of two radiant bodies and antenna holder;The substrate is located at the lower end of antenna holder;First radiant body and the second radiant body It is arranged on antenna holder, and the first radiant body and the second radiant body are connected;Distributing point and earth point are provided with substrate; First radiant body electrically connects with distributing point, and the second radiant body electrically connects with earth point;First " Г " is provided with first radiant body Type is slotted, for increasing the frequency bandwidth of antenna module;Second " Г " type fluting is additionally provided with first radiant body, for increasing Antenna is size-constrained in geomagnetism detecting device size itself in the gain of antenna module, with geomagnetism detecting device of the prior art, Compared so that the gain of antenna is unable to reach requirement, it uses two radiant bodies, and sets two " Г " on the first radiant body Type is slotted, and to reduce echo damage, is improved standing-wave ratio, is increased notch depth, so as in the same of matching geomagnetism detecting device size When, antenna gain is improved, so as to improve wireless signal strength, improves communication quality.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 shows a kind of structural representation for antenna module that the utility model embodiment is provided;
Fig. 2 and Fig. 4 shows the stereogram of the antenna module under all angles;
Fig. 3 shows that the utility model embodiment provides the front view of antenna module;
Fig. 5 shows the aerial radiation range effect figure that the utility model embodiment is provided;
The upper left corner shows the impedance circle diagram of antenna module in Fig. 6, and the upper right corner shows the return loss plot of antenna module, Following diagrams illustrate the schematic diagram of the middle voltage standing wave ratio of antenna module;
Fig. 7 shows gain test data of the antenna module in different frequency of the utility model embodiment offer.
Icon:10th, substrate;11st, the first radiant body;12nd, the second radiant body;13rd, antenna holder;14th, feeding microstrip line; 15th, earth point connection end;16th, first " Г " type is slotted;17th, second " Г " type is slotted.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that described Embodiment be only the utility model part of the embodiment, rather than whole embodiment.Generally here described in accompanying drawing It can be configured with the component of the utility model embodiment shown with a variety of to arrange and design.Therefore, below to The detailed description of the embodiment of the present utility model provided in accompanying drawing is not intended to limit claimed model of the present utility model Enclose, but be merely representative of selected embodiment of the present utility model.Based on embodiment of the present utility model, those skilled in the art exist The every other embodiment obtained on the premise of not making creative work, belong to the scope of the utility model protection.
In view of in existing geomagnetism detecting device antenna it is size-constrained in geomagnetism detecting device size itself so that antenna Gain be unable to reach the problem of requiring.The utility model embodiment provides a kind of antenna module and wagon detector, below It is described by embodiment.
The utility model, which implements, provides a kind of antenna module, with reference to 1~Fig. 4 of figure, including:Substrate 10, first radiates Body 11, the second radiant body 12 and antenna holder 13;
Substrate 10 is located at the lower end of antenna holder 13;First radiant body 11 and the second radiant body 12 are arranged at antenna holder On 13, and the first radiant body 11 is connected with the second radiant body 12;
Distributing point and earth point are provided with substrate 10;First radiant body 11 electrically connects with distributing point, the second radiant body 12 Electrically connected with earth point;
First " Г " type, 16 (i.e. inverted "L" shaped flutings) of fluting are provided with first radiant body 11, for increasing antenna module Frequency bandwidth;Second " Г " type fluting 17 is additionally provided with first radiant body 11, for increasing the gain of antenna module.
Specifically, the effect of above-mentioned antenna holder 13 is supported for antenna.As an alternative embodiment, Above-mentioned antenna holder 13 includes top plate (bottom plate corresponds to following first planes), and the top plate is rectangular, and four sides of the top plate On be vertically connected with four wallboards, be integrally formed between above-mentioned bottom plate and four wallboards.The opposite face of i.e. above-mentioned top plate is One openend, aforesaid substrate 10 are located in the openend, are not connected with above-mentioned antenna holder 13, it is therefore an objective to avoid allowing substrate 10 Stress.As a kind of application implementation mode, above-mentioned antenna holder 13 is fixed on the shell of wagon detector.
As alternatively possible embodiment, aforesaid substrate 10 is located in the openend, is connected with antenna holder 13. Specifically, aforesaid substrate 10 and antenna holder 13 are fixedly installed in four wallboards, or it is fixedly installed on any two phase To wallboard on.
Above-mentioned first radiant body 11 and the second radiant body 12 are actually the entirety being connected, and the two is arranged at antenna On support 13.The size of above-mentioned first radiant body 11 is related to its tranmitting frequency, is determined with specific reference to its tranmitting frequency.
In the utility model embodiment, antenna module also includes feeding microstrip line 14 (being all referred to as feeder line below), on The distributing point in one end connecting substrate 10 of feeder line is stated, its other end is through antenna holder 13 and the on the antenna holder 13 One radiant body 11 connects, and the signal power for substrate 10 to be sent is sent to the first radiant body 11 with the loss of minimum, or will The signal that first radiant body 11 receives is sent to substrate 10 with the loss of minimum, at the same feeder line do not pick up or produce in itself it is spuious Interference signal.Specifically, the altitude range of distributing point to the first radiant body 11 on substrate 10 is 15mm-30mm.
Specifically, the one end of above-mentioned second radiant body 12 away from the first radiant body 11 passes through above-mentioned antenna holder 13 and substrate Earth point electrical connection on 10.As the first optional embodiment, earth point connection end 15 is provided with antenna holder 13, Earth point connection end 15 electrically connects with the earth point on substrate 10;The one end of second radiant body 12 away from the first radiant body 11 is with connecing Place connection end 15 is connected, and is electrically connected by earth point connection end 15 with the earth point on substrate 10.Specifically, substrate 10 On earth point to the first radiant body 11 height for 20mm or so.As second of optional embodiment, antenna holder 13 On be provided with earth point connection end 15, the one end of above-mentioned second radiant body 12 away from the first radiant body 11 passes through above-mentioned antenna holder Earth point connection end 15 is provided with 13, and is electrically connected with the earth point on substrate 10.
Aforesaid substrate 10 is used to send signal to the first radiant body 11 and the second radiant body 12 by distributing point, and passes through feedback Electricity point receives the signal that the first radiant body 11 and the second radiant body 12 are sent, and the signal is transmitted and (such as applies and is examined in vehicle The antenna module surveyed in device, the substrate 10 in antenna module transmit the signal to single-chip microcomputer);Aforesaid substrate 10 is used to carry out instead Feedback signal.
Two " Г " types are set to slot in the utility model embodiment, including first " Г " type fluting 16 and second " Г " type Fluting 17;Above-mentioned first " Г " type fluting 16, for increasing the frequency bandwidth of antenna module, so that antenna module can be with use More frequency bandwidth transmission signals;Above-mentioned second " Г " type fluting 17, can reduce echo damage, improve standing-wave ratio, and increase is humorous Shake depth, so as to while geomagnetism detecting device size is matched, improve antenna gain.
Further, with reference to 2~Fig. 4 of figure, in the antenna module that the utility model embodiment provides, the first radiant body 11 is set Put in the first plane of antenna holder 13;
Second radiant body 12 is arranged in the second plane of antenna holder 13, and the second plane is adjacent with the first plane and in 90 Spend angle.
In the utility model embodiment, the first radiant body 11 is arranged in the first plane of antenna holder 13, the second radiation Body 12 is arranged in the second plane of antenna holder 13.Above-mentioned first plane and the bottom surface of above-mentioned antenna holder 13 are oppositely arranged, Above-mentioned second plane is adjacent with the first plane and is in 90 degree of angles.
In the utility model embodiment, the top plate of above-mentioned antenna holder 13 towards the plane in outside be above-mentioned first plane; And and second plane in 90 degree angle adjacent with above-mentioned first plane can be in any one corresponding above-mentioned antenna holder 13 For four wallboards towards the plane in outside, the utility model embodiment chooses wherein any one second plane.
Further, with reference to figure 2, in the antenna module that the utility model embodiment provides, the first radiant body 11 is main spoke Beam, the second radiant body 12 are more than the second radiation for the first radiant body 11 of cooperation from radiant body, the size of the first radiant body 11 The size of body 12;
First radiant body 11 includes the contact jaw being in contact with the second radiant body 12, contact jaw and first " Г " type fluting 16 It is disposed adjacent;
Second " Г " type fluting 17 nearby (is located at close to the position of contact jaw) positioned at contact jaw, and is opened with the first Г types Groove is disposed adjacent.
Further, with reference to 2~Fig. 3 of figure, in the antenna module that the utility model embodiment provides, second " Г " type fluting 17 include vertical portion and reaping hook portion;
Fixed part is provided with antenna holder 13, the first radiant body 11 passes through the distributing point in fixation portions and substrate 10 Electrical connection;
Vertical portion towards the second plane of antenna holder 13 extending part between the second radiant body 12 and fixed part.
Specifically, in " Г " type fluting, vertical portion is vertical portion, and lateral part is reaping hook portion.It is optional as the first Embodiment, fixed part is provided with above-mentioned antenna holder 13, above-mentioned feeder line is 1, one end connecting substrate of above-mentioned feeder line Distributing point on 10, the other end of the feeder line electrically connect through fixation portions with the distributing point on substrate 10.
As second of optional embodiment, fixed part is provided with above-mentioned antenna holder 13, above-mentioned feeder line is two, Wherein, the distributing point in one end connecting substrate 10 of first feeder line, the other end of the feeder line connect consolidating on antenna holder 13 Portion is determined, to realize that fixed part electrically connects with the distributing point on substrate 10;On one end connection antenna holder 13 of Article 2 feeder line Fixed part, the other end of the feeder line are connected with the first radiant body 11 on antenna holder 13, to realize fixed part and distributing point electricity Connection.
On first radiant body 11 of the first plane that second " Г " type fluting 17 is arranged on antenna holder 13, its vertical portion court To antenna holder 13 the second plane extending part between the second radiant body 12 and the vertical range of fixed part.
Further, with reference to 1~Fig. 3 of figure, in the antenna module that the utility model embodiment provides, vertical portion has default Radian;The length of vertical portion is more than the length in reaping hook portion, and the width of vertical portion is less than between the second radiant body 12 and fixed part Vertical range.
Specifically, being based on the length and width of the vertical portion of second " Г " type fluting 17, the length and width in reaping hook portion are determined Degree;The length in above-mentioned reaping hook portion is less than the length of vertical portion, and its width is to be adjusted as needed, as a kind of preferable real Mode is applied, the width in above-mentioned reaping hook portion is more than the width of vertical portion.
As an alternative embodiment, above-mentioned second " Г " type fluting 17 is slotted for anti-" 7 " type.It is specifically, above-mentioned Instead " 7 " type is the mirror-image structure of " 7 " in vertical direction.
Further, the above-mentioned transmission signal of first radiant body 11 both includes horizontal component, includes vertical component again, practical new Type people has found that antenna height can influence the ratio of above-mentioned horizontal component and vertical component under study for action, and therefore, the utility model is real Apply in example, the altitude range of antenna holder 13 is 15mm~30mm, can be by adjusting the altitude range of above-mentioned antenna holder 13 The ratio of above-mentioned horizontal component and vertical component is adjusted, to improve the standard or the gain of vertical direction.Preferably should as a kind of With embodiment, the height of above-mentioned antenna holder 13 is 20mm, and the height of the antenna holder 13 makes the first radiant body 11 and second The ratio of the corresponding horizontal component of radiant body 12 and vertical component is optimal, disclosure satisfy that practical application needs.
Corresponding, the utility model embodiment provides two kinds of structures to adjust the distance of the first radiant body 11 and substrate 10 Highly.
The first structure:The antenna module that the utility model embodiment provides also includes governor motion;Above-mentioned governor motion It is arranged in the first plane of antenna holder 13, above-mentioned first radiant body 11 is arranged on governor motion, and above-mentioned governor motion is used Interval height between the first radiant body 11 of regulation and substrate 10.
The horizontal component and vertical component that transmission signal includes are certain, specifically, working as the distance of the first radiant body 11 When being turned down with the height of substrate 10 (adjust the distance of the first radiant body 11 with the distance of substrate 10 by far becoming near when), hair is improved The vertical component of signal is penetrated, reduces the horizontal component of transmission signal;
When the distance of the first radiant body 11 and the height of substrate 10 are tuned up (adjust the first radiant body 11 apart from substrate When 10 distance is by closely becoming remote), the horizontal component of transmission signal is improved, reduces the vertical component of transmission signal.
Second of structure:In the antenna module that the utility model embodiment provides, substrate 10 is located under antenna holder 13 Hold and be connected with antenna holder 13;Antenna holder 13 is multiple;The height of each antenna holder 13 is different.
Corresponding to second of structure, when needing to adjust the interval height between the distance of the first radiant body 11 and substrate 10, The antenna holder 13 of matching is selected from multiple antenna holders 13 according to demand, is then replaced and worked as by the antenna holder 13 of selection The preceding antenna holder 13 used.
Specifically, when the distance of the first radiant body 11 and the height of substrate 10 in the antenna holder 13 changed, than currently used Antenna holder 13 in the distance of the first radiant body 11 and substrate 10 height hour (adjust the first radiant body 11 apart from substrate When 10 distance is by far becoming near), the vertical component of transmission signal is improved, reduces the horizontal component of transmission signal;
When the distance of the first radiant body 11 and the height of substrate 10 in the antenna holder 13 of replacing, than currently used antenna branch In frame 13 distance of first radiant body 11 and (distance of the first radiant body 11 and the distance of substrate 10 are adjusted during the big height of substrate 10 During by closely becoming remote), the horizontal component of transmission signal is improved, reduces the vertical component of transmission signal.
Or a complete antenna module is corresponded on each antenna holder 13, and first in each antenna module The distance of radiant body 11 is different from the height of substrate 10, can select antenna module by mission need as needed, pass through selection Antenna module, signal is launched.
Specifically, show the aerial radiation range effect that the utility model embodiment provided with reference to figure 5 and Fig. 6, Fig. 5 Figure;The upper left corner shows the impedance circle diagram of antenna module in Fig. 6, and the upper right corner shows the return loss plot of antenna module, figure below Show the schematic diagram of the middle voltage standing wave ratio of antenna module;Fig. 7 shows the antenna module that the utility model embodiment provides In the gain test data of different frequency.
Display practical impedance is substantially near 50 ohm in above-mentioned impedance diagram circle diagram (i.e. the figure in Fig. 6 upper left corners).Above-mentioned time Ripple loss figure (i.e. the figure in Fig. 6 upper right corner) is shown in frequency range (470Mhz-510Mhz) S11 most almost also greater than -14db. Voltage standing wave ratio (VSWR) (i.e. Fig. 6 figure below) is shown in VSWR in frequency range and is less than 1.5 meet demands.
By above-mentioned antenna module, 500M wireless signal gains can be being improved, improve wireless signal strength, improve communication Quality.
The utility model embodiment additionally provides a kind of wagon detector, and the wagon detector includes above-mentioned antenna module, Also include single-chip microcomputer, above-mentioned antenna module and monolithic mechatronics.Also include single-chip microcomputer;Antenna module and monolithic mechatronics;
Single-chip microcomputer, which is used to generate, sends signal, will send signal and is sent to antenna module;
Antenna module, which is used to receive, sends signal, will send signal and is sent to upper end equipment;And end equipment is sent out in reception The reception signal sent, reception signal is sent to single-chip microcomputer;
Single-chip microcomputer is additionally operable to, and is received and is stored reception signal.
Specifically, wagon detector is produced by single-chip microcomputer sends signal, caused transmission signal is sent to by single-chip microcomputer Above-mentioned antenna module, the transmission signal is launched and (is specifically sent to upper end equipment, such as receiver) by above-mentioned antenna module; Also, above-mentioned antenna module also receives the reception signal that end equipment (being specially receiver) is sent, and the reception signal is sent To single-chip microcomputer;Single-chip microcomputer receives the reception signal and stored, and the reception signal is handled accordingly.
A kind of wagon detector that the utility model embodiment provides, radiated using substrate 10, the first radiant body 11, second 13 4 parts of body 12 and antenna holder;Substrate 10 is located in antenna holder 13;First radiant body 11 and the second radiant body 12 are equal It is arranged on antenna holder 13, and the first radiant body 11 is connected with the second radiant body 12;Be provided with substrate 10 distributing point and Earth point;First radiant body 11 electrically connects with distributing point, and the second radiant body 12 electrically connects with earth point;Set on first radiant body 11 First " Г " type fluting 16 is equipped with, for increasing the frequency bandwidth of antenna module;Second is additionally provided with first radiant body 11 " Г " type fluting 17, for increasing the gain of antenna module, with geomagnetism detecting device of the prior art antenna it is size-constrained In geomagnetism detecting device size itself so that the gain of antenna is unable to reach requirement and compared, and it uses two radiant bodies, and first Two " Г " types of setting are slotted on radiant body 11, to reduce echo damage, are improved standing-wave ratio, are increased notch depth, so that While matching geomagnetism detecting device size, antenna gain is improved, so as to improve wireless signal strength, improves communication matter Amount.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing, in addition, term " the One ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
Finally it should be noted that:Embodiment described above, only specific embodiment of the present utility model, to illustrate this The technical scheme of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing The utility model is described in detail embodiment, it will be understood by those within the art that:It is any to be familiar with this skill For the technical staff in art field in the technical scope that the utility model discloses, it still can be to the skill described in previous embodiment Art scheme is modified or can readily occurred in change, or carries out equivalent substitution to which part technical characteristic;And these modifications, Change is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme Enclose.It should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be wanted with the right The protection domain asked is defined.

Claims (10)

  1. A kind of 1. antenna module, it is characterised in that including:Substrate, the first radiant body, the second radiant body and antenna holder;
    The substrate is located at the lower end of the antenna holder;First radiant body and second radiant body are arranged at described On antenna holder, and first radiant body is connected with second radiant body;
    Distributing point and earth point are provided with the substrate;First radiant body electrically connects with the distributing point, and described second Radiant body electrically connects with the earth point;
    First " Г " type fluting is provided with first radiant body, for increasing the frequency bandwidth of antenna module;Described first Second " Г " type fluting is additionally provided with radiant body, for increasing the gain of antenna module.
  2. 2. antenna module according to claim 1, it is characterised in that first radiant body is arranged on the antenna holder The first plane on;
    Second radiant body is arranged in the second plane of the antenna holder, second plane and the first plane phase It is adjacent and be in 90 degree of angles.
  3. 3. antenna module according to claim 2, it is characterised in that the size of first radiant body is more than described second The size of radiant body;
    First radiant body includes the contact jaw being in contact with second radiant body, the contact jaw and described first " Г " Type fluting is disposed adjacent;
    Second " Г " type fluting is located at close to the position of the contact jaw, and is disposed adjacent with the first Г types fluting.
  4. 4. antenna module according to claim 3, it is characterised in that second " Г " type fluting includes vertical portion and sickle Knife portion;
    Fixed part is provided with the antenna holder, first radiant body passes through the feed on the fixed part and the substrate Point electrical connection;
    The vertical portion towards the second plane of the antenna holder extending part in second radiant body and the fixation Between portion.
  5. 5. antenna module according to claim 4, it is characterised in that the vertical portion has default radian;It is described vertical The length in portion is more than the length in the reaping hook portion, the width of the vertical portion be less than second radiant body and the fixed part it Between vertical range.
  6. 6. antenna module according to claim 1, it is characterised in that second " Г " type fluting is slotted for anti-" 7 " type.
  7. 7. according to the antenna module described in claim any one of 2-6, it is characterised in that the altitude range of the antenna holder is 15mm~30mm.
  8. 8. antenna module according to claim 7, it is characterised in that the height of the antenna holder is 20mm.
  9. 9. antenna module according to claim 2, it is characterised in that also including governor motion;
    The governor motion is arranged in first plane of the antenna holder, and first radiant body is arranged on the tune Save in mechanism;
    The governor motion is used to adjust the interval height between first radiant body and the substrate.
  10. A kind of 10. wagon detector, it is characterised in that including:Antenna module described in claim any one of 1-9, in addition to Single-chip microcomputer;The antenna module and the monolithic mechatronics;
    The single-chip microcomputer, which is used to generate, sends signal, and the transmission signal is sent into antenna module;
    The antenna module is used to receive the transmission signal, and the transmission signal is sent into upper end equipment;And receive institute The reception signal of end equipment transmission is stated, the reception signal is sent to the single-chip microcomputer;
    The single-chip microcomputer is additionally operable to, and is received and is stored the reception signal.
CN201720604043.XU 2017-05-26 2017-05-26 Antenna module and wagon detector Active CN206893787U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107026309A (en) * 2017-05-26 2017-08-08 迈锐数据(北京)有限公司 Antenna module and wagon detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107026309A (en) * 2017-05-26 2017-08-08 迈锐数据(北京)有限公司 Antenna module and wagon detector
CN107026309B (en) * 2017-05-26 2024-04-19 迈锐数据(北京)有限公司 Antenna assembly and vehicle detector

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