CN109374150A - A kind of swallow type capsule monitoring device - Google Patents

A kind of swallow type capsule monitoring device Download PDF

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Publication number
CN109374150A
CN109374150A CN201811491660.9A CN201811491660A CN109374150A CN 109374150 A CN109374150 A CN 109374150A CN 201811491660 A CN201811491660 A CN 201811491660A CN 109374150 A CN109374150 A CN 109374150A
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China
Prior art keywords
module
monitoring device
antenna
layer
dipole
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CN201811491660.9A
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CN109374150B (en
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刘昌荣
张钰狄
刘学观
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Suzhou University
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Suzhou University
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
    • G01K7/24—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor in a specially-adapted circuit, e.g. bridge circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/273—Adaptation for carrying or wearing by persons or animals

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The present invention proposes a kind of swallow type capsule monitoring device, internal to have antenna module, control module, sampling module, power supply module it includes shell, wherein antenna module includes first layer, and with the first layer second layer disposed in parallel；The sampling at the sampling module interval is monitored object (temperature) and sample information is fed back to the control module of connection, to antenna module, the antenna module receives the information of control module transmission and is transmitted reception device for output after control module receives the sample information and is converted.Such design, swallow type capsule monitoring device is small in size, antenna of its internal configuration miniaturization, and the control module comprising chip, power supply module, antenna module etc. are integrated into inside capsule, when work, is monitored to the temperature of detected material and transmission outward in real time.The loss of its data transmission is low when the device works, in addition, antenna module uses FR4 plate, to reduce antenna assembly sheet.

Description

A kind of swallow type capsule monitoring device
Technical field
The present invention relates to a kind of monitoring devices, are specifically related to a kind of swallow type capsule body-temperature monitoring device.
Background technique
The fast development of wireless messages technology brings to human life style and acquisition of information means etc. and changes for several times. Currently, wireless messages technology occupies highly important status in national economy.Similarly, in biologic medical field, base The status of medical field is quickly being overturned in the technology of new generation such as mobile interchange, wireless medical equipment, big data, is rapidly being sent out The medical field of exhibition, the combination of these technologies and business model are being overturned the cognitive structure to medical treatment, document in the past comprehensively and [are being thanked Xiang, Zhang Chun, Wang Zhi China biomedicine in Coils in Electronic System for Human Implantation current situation and development electronic letters, vol, vol.32, no.3, pp.462–467,2004]。
Wireless data transmission refers to the inside that antenna is implanted into monitored object in biologic medical, will be adopted using implantation antenna The data of collection are launched, and receive data by external antenna to monitor the health status (such as body temperature, heart rate) of monitored object. Therefore implanted antenna is one of critical component of wireless data transmission, because of the size of implanted antenna, working efficiency, frequency Rate, polarization etc. are to that can have a great impact to receiving-transmitting chain, to influence the transmission range and work timing of implanted equipment.By Compact in implanted antenna structure, being monitored internal body tissues, structure is complicated, and has high dielectric constant, non-homogeneous, high damage The characteristics such as consumption, and need to consider the size of antenna in the design process, bandwidth of operation, radiation efficiency, system compatibility, supervised The factors such as object safety are surveyed, therefore how to design high performance miniaturization implanted antenna is current Research Challenges and hot spot document [1, Chen Weihong Yang Yi people leaf tree is bright, the implanted low-consumption wireless system research of toy monitoring, sensor and micro-system, vol.31,no.4,pp.60–62,2012.；2, Wu Hao university of implanted microminiature Antenna Design Chinese Academy of Sciences master's degrees Paper, 2013.].Z.Duan, document [Z.Duan, Y.X.Guo, R.F.Xue, M.Je, and D.L.Kwong, “Differentially-fed dual-band implantable antenna for biomedical applications,”IEEE Trans.Antennas Propag.,vol.60,no.12,pp.5587–5595, Dec.2012.] team has studied the double frequency implanted antenna of a difference, the operating frequency of antenna be 433.9MHz and 542.4MHz, close to MICS (medical treatment implantation communication service) frequency range of 402-405MHz, by generating two current path realities Existing two-frequency operation mode.The antenna size is 27mm × 14mm × 1.27mm, the application back that it is implanted into for being monitored object Scape size is obviously excessive.The team improve implanted antenna, document [Z.Duan, Y.X.Guo, M.Je, and D.L.Kwong, “Design and in Vitro Test of a Differentially Fed Dual-Band Implantable Antenna Operating at MICS and ISM Bands”,IEEE Trans.Antennas Propag.,vol.62, No.5, pp.2430-2439, May 2015.], by load short circuit nail, the mode of large area fluting realizes miniaturization on the ground, Miniaturization is equally realized, and has carried out the performance test after antenna is conformal.But such method brings some disadvantages, adds The mode for carrying short circuit nail not only increases the cost on processing, and can have an impact to front radio-frequency circuit.And it opens on the ground Slot can cause the leakage of energy, be affected by circuit, will cause the unstable of performance.F.Merli, document [F.Merli, L.Bolomey,J.-F.Zürcher,G.Corradini,E.Meurville,and A.K.Skrivervik,“Design, realization and measurements of a miniature antenna for implantable wireless communication systems,”IEEE Trans.Antennas Propag.,vol.59,no.10,pp.3544-3555, Oct.2011.] the conformal dual-band antenna proposed, works in MedRadio (401-406MHz) frequency range and ISM band (2.4- 2.5GHz).The antenna is similar to PIFA antenna, and gain is respectively -28.8dBi and -18.5dBi, is influenced ratio by peripheral circuits It is smaller, but the antenna is fused in capsule, and capule size is caused to reach 32.1mm × 10mm, size is too big.Document [Rupam Das,and Hyoungsuk Yoo,“A Wideband Circularly Polarized Conformal Endoscopic Antenna System for High-Speed Data Transfer”,IEEE Trans.Antennas Propag., Vol.65, no.6, pp.2816-2826, Apr.2017] R.Das propose circular polarisation conformal antenna, the Antenna Operation in 915MHz, by slotting in radiation patch and on the ground and being minimized using two long-armed realizations.Size only has after the antenna is conformal 66.7mm3, being theoretically dissolved into design specification in capsule is 26mm × 11mm, but needs further to be changed in terms of its stability Into.
Summary of the invention
In order to solve the above-mentioned technical problem, object of the present invention is to: propose a kind of swallow type capsule monitoring device.It is to quilt The temperature of detectable substance is monitored and the information of sampling (such as temperature information) is transmitted to matched reception device in real time, the glue Capsule detection device volume is small, at low cost.
To achieve the goals above, invention adopts the following technical scheme that:
A kind of swallow type capsule monitoring device, which is characterized in that it include shell, it is internal to include antenna module, control mould Block, sampling module, power supply module, wherein the antenna module include first layer, and with the first layer second layer disposed in parallel； The information of the monitored object of the sampling at the sampling module interval and the control module that sample information is fed back to connection, the control Output to antenna module, the antenna module receives after module receives the sample information of the sampling module feedback and is converted The information of the control module transmission is simultaneously transmitted outward.
Preferably, the shell include polyether-ether-ketone material or it is sub- make every effort to overcome material in capsule shape, the resistance of the antenna module The anti-output impedance conjugate impedance match with the chip of control module, the antenna module receive the information of the control module transmission simultaneously It is transmitted to the reception device of matching connection.The size of capsule is 11mm (diameter) × 16mm (length) in this way, meets monitored object Requirement to size.
Preferably, which includes the first dipole, and first dipole is along middle line bilateral symmetry, the first layer Include first end, the second end；The second layer includes the second dipole, and second dipole is described along middle line bilateral symmetry The second layer includes third end, and the 4th end, the third end is electrically connected first end, the 4th end electric connection The second end, the middle part of the second layer also include the parasitic item of strip.
Preferably, the width of second dipole is greater than the width of first dipole.
Preferably, the width of the parasitism item is greater than the width of second dipole.
Preferably, the ratio of the width of the parasitism item and the second dipole width is between 1.2~5.0.
Preferably, which includes substrate, sensor, and the sensor is installed on the side of substrate.
Preferably, thermal conducting material is coated between the sensor and shell.
Preferably, which is configured at the one end of monitoring device, and the antenna module is configured at monitoring device The other end；The power supply module includes energy-storage battery.
Preferably, the substrate of the sampling module is parallel with antenna module.
Compared with prior art, the invention has the advantages that
Swallow type capsule detection device proposed by the present invention, the internal antenna with miniaturization, and by chip, power supply Module, Anneta module etc. are integrated into inside capsule, guarantee that the layout of component does not impact overall circuit performance, the capsule Detection device is monitored to the temperature of detected material and real-time Transmission.The loss of its data transmission is low.Capsule detection device The small requirement for meeting detected material of size.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and embodiments:
Fig. 1 is the functional block diagram of monitoring device of the embodiment of the present invention；
First schematic diagram of a layer structure of the antenna of Fig. 2 a monitoring device of the embodiment of the present invention；
Second schematic diagram of a layer structure of Fig. 2 b monitoring device antenna of the embodiment of the present invention；
Fig. 3 is the transmitting module topological diagram of monitoring device of the embodiment of the present invention；
Fig. 4 is the topological diagram for matching the receiving module of monitoring device of the embodiment of the present invention；
The application schematic diagram of Fig. 5 monitoring device of the embodiment of the present invention；
Fig. 6 is the emulation schematic diagram of the antenna of monitoring device of the embodiment of the present invention；
Fig. 7 is the emulation direction schematic diagram of the antenna of monitoring device of the embodiment of the present invention；
Fig. 8 is monitoring device of the embodiment of the present invention and external reception device application schematic diagram；
Fig. 9 is the schematic diagram of internal structure of monitoring device of the embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured The concept of invention.
Embodiment:
As shown in Figure 1 for embodiment of the present invention proposes a kind of swallow type capsule monitoring device, the capsule monitoring device 100 include antenna module 101, control module 102, sampling module 103, power supply module 104, sampling module 103 interval time t The monitored object of sampling of (specific view application scenarios setting, such as 100ms, 200ms etc.) and the control that sample information is fed back to connection Molding block 102, control module 102 receive the sample information and its conversion output to antenna module 101, and antenna module 101 receives The information of the transmission of control module 102 simultaneously transmits it to matched reception device (not shown).In present embodiment, monitoring device It is designed to capsule shape, shell uses PEEK (polyether-ether-ketone) material, forms symmetrical two halves with 3D printing technique, then bayonet Docking, it is consistent with capsule pill processing method in practice.Matched reception device is received using dipole antenna, chip and transmitting Device is chip used identical.
As Fig. 2 a, b show the structural schematic diagram of antenna module 101.Next Fig. 2 a, 2b is combined to describe antenna module 101, it includes first layer 101a (also referred to as upper layer), second layer 101b (also referred to as lower layer).First layer 101a includes the first dipole 101a1, dipole 101a1 along middle line (direction y) bilateral symmetry, the bottom of first layer 101a have both ends (first end, The second end) 101a3,101a2.Second layer 101b includes the second dipole 101b1, and dipole 101b1 is along the middle line (side y To) bilateral symmetry.Second layer 101b has both ends (third end, the 4th end) 101b3,101b4.Intermediate portion also includes to post Carded sliver 101b2.In present embodiment, the width of the dipole under the dipole 101a1 and second layer 101b of first layer 101a 101b1 is different.Preferably, the width of the dipole 101a1 of first layer 101a is greater than the dipole 101b1's under second layer 101b Width.The middle section of present embodiment second layer 101b2 is also configured with parasitic item, real part of the parasitism item to adjust antenna Impedance.Preferably, the ratio of the width of parasitism 101b2 and second layer dipole 101b1 width between 1.2~5.0 (e.g., 1.2,2,3,4,4.5,5) etc., it is used to adjust the real impedance of antenna.In model emulation, the dielectric of peripheral environmental organization Constant is 55, and conductivity is 0.948, and capsule model is also required to collaborative design and reduces day in practical application to simulate true environment The linearly error of energy.In the design of the antenna module, first layer, the second layer is in the form of annular discs, uses stacked dipole to reduce day Space in capsule occupied by line, working frequency range are 902-928MHz (ISM band), are made of two layers of medium substrate, two layers Substrate material is that dielectric constant is 4.4, and loss angle tangent is 0.02, and thickness is the FR4 plate of 0.8mm.The antenna module is adopted With the mode of differential feed, and antenna impedance conjugate impedance match is designed in chip impedance, match circuit is saved in this way, to realize The miniaturization of capsule system.
Since the chip that circuit part uses has the radio frequency output of a pair of of difference, output impedance of the work in 915MHz For (86.5+j*43) Ω.
It is illustrated in figure 3 the topological schematic diagram of transmitting module in control module 102.Wherein, C2021-C2017 is decoupling Capacitor, 2030,2032,2033 composition 26MHz crystal oscillators, 2034,2035,2036 composition 32.76KHz crystal oscillators, as shown in Figure 3 It is connected to decoupling capacitor between the power supply line and ground of CC1110 wireless transceiver circuit, there are three the effects of aspect for it: first is that conduct The energy storage capacitor of circuit；Second is that filtering out the high-frequency noise of device generation, its access propagated by current supply circuit is cut off； It is interfered third is that the noise for preventing power supply from carrying constitutes circuit.The high frequency switching noise that generates will be along in switch for active device Power supply line is propagated.In the design, in order to which low frequency, high-frequency signal can be filtered out well, using bulky capacitor and small capacitances Mode be designed.The capacitor combination that small capacitances use 100nF and 220pF to combine, is conducive to filtering out for high-frequency signal. 1uF and 2.2uF is added in the place that power supply VCC enters plank and removes high frequency capacitance, can equally play filter action.
CC1110 wireless transceiver circuit crystal oscillator are as follows: 2030,2032,2033 be 26MHz crystal oscillator, provides clock frequency for system Rate, 2034,2035,2036 be 32.768kHz crystal oscillator, is used for sleep timer.There are four types of powder source management modes for CC1110 tool (PM0~PM3), different mode use different crystal oscillators, allow being switched fast to reduce and be between four kinds of powder source management modes The energy consumption of system.When module is in working condition, module is in PM0 mode, master clock 26MHz crystal oscillator work, in 10dbm as hair It penetrates under power, current consumption value when sending and receiving data is respectively as follows: 22mA and 31mA.When wireless module is in PM1, PM2 shape When state, the work of 32.768kHz crystal oscillator clock.When wireless module is in idle state, module is in PM3 mode, and internal clocking is complete All close.Table 1 lists the current drain situation of wireless module under various modes.Table 1 lists wireless module under various modes Current drain situation.
Tetra- kinds of operating modes of table 1.CC1110
It is illustrated in figure 4 the topological schematic diagram of the receiving module of matching monitoring device.Receiving module further includes radio-frequency front-end, It includes BULUN transformation and low-pass filter.Transmission circuit based on CC1110 includes transmitting module, floor module and small size Three parts of antenna, the core of transmitting module are TI company low-power consumption radio frequency chip CC1110, and the chip embedded one enhanced 8051MCU IP kernel, calculation processing power are 8 times of 8051 or more.Since the output port of CC1110F32 chip is two differences Divide output, i.e., the output port of two reverse phase constant amplitudes, it is therefore necessary to use Balun translation circuit by two Port Translations for one 50 ohm of matching port, output to antenna end are sent.In conjunction with factors such as plate, size, frequencies, HFSS, CST etc. are used 3 D electromagnetic simulation software carries out whole hardware design, finally carries out ADS entirety simulating, verifying, it is ensured that radio frequency loss is minimum, real Existing efficient transmission.
Balun translation circuit, that is, balanced-unbalanced translation circuit (Balance to Unbalance Transfer) rises The effect of single-ended matched load is transformed to the Differential Output (difference output) by chip.Since the differential port of output has width Spend equal, the characteristics of opposite in phase, therefore Balun translation circuit does not only need provide 180 ° of reverse phases, it is also necessary to reduce damage as far as possible Consumption promotes single port output power.Equally, as the input port of receiver, Balun also functions to certain impedance matching and mentions The effect of high receiver sensitivity.There are many type of Balun translation circuit, are distributed the microstrip line construction balun of formula, also there is change Depressor formula coiling balun, wherein the Balun translation circuit that lamped element is built has the characteristics that have excellent performance, is compact-sized, right It is particularly suitable in the higher radio-frequency system of integrated level.Lamped element Balun translation circuit uses low-pass filter and high pass The design method that filter combines makes respective ± 90 ° of phase shifts be superimposed to form 180 ° of phase differences of two-way.
Since CC1110F32 chip interior is integrated with power amplifier, by automatic growth control AGC, internal power amplifier can To export the radiofrequency signal of different capacity according to user demand, however, since the efficient operation of power amplifier is often with nonlinear It influences, and then generates higher harmonic component, deteriorate the modulation of transceiver back to crystal oscillator.Low-pass filter is for filtering out specific frequency Section electromagnetic wave, filters out the noise interferences of return receive-transmit system, improves the performance of radio-frequency receiving-transmitting.
In above embodiment, transmitting module/receiving module singlechip control chip is all made of the CC1110 chip of TI, The chip is a included 8-12 analog-to-digital conversion modules and works in 1GHz low power system on chip chip below.Its When operation, the electric current of 20mA is only consumed in the transmission power of -6dBm, which has the prevention at radio-frequency port of a pair of of difference.It is encapsulated (6mm × 6mm) meets the requirement being detected to size under size.
Sampling module 103 preferably uses temperature sensor.The LMT70 model that TI is used in present embodiment, asks precision High precision within the temperature range of 20 DEG C to 42 DEG C can reach ± 0.05 DEG C.It is low that electric current is consumed when work, when its usual work disappears Power consumption stream only has 9.2 μ A.Package dimension small (0.88mm × 0.88mm) is convenient for the optimization of capsule volume in this way.In an embodiment In, sampling module configuration is in the top end part of capsule, and the information of such sampling module (temperature sensor) acquisition exterior circumferential is (e.g., Temperature), and the information of sampling is fed back into control module, processor (analog-to-digital conversion of the single-chip microcontroller) processing of such control module Pass through wireless transmission.The received information of the receiving module of matched receiving side shows that (such as LCD is aobvious by the display device of connection Display screen).In other embodiments, sampling module selects RTD (resistance temperature detector), and NTC/PTC thermistor etc. is only Want accurately to sample the temperature information of monitored object.
It is illustrated in figure 5 monitoring device antenna modeling emulation schematic diagram, is used outside single layer musculature modeling Human body environment, the size of model are 100 × 100 × 130mm3.As shown in figure 5, the electrical parameter of muscle is special in 915MHz frequency point Property be ε r=56.87, σ=0.8S/m, and its implantation depth be 50mm.In present embodiment, the specification of capsule is 11mm (straight Diameter) × 16mm (length).By simulation optimization, the specific size of the antenna module is as follows:, l1=0.6mm, l2=8.37mm, l3 =6.17mm, l4=0.8mm, l5=8.3mm, l6=10.8mm w1=0.5mm, w2=0.3mm, R1=0.3mm, xf=- 0.5mm, yf=-4.55mm, α=170 °, β=164 °.Its working principle: in the simulation model of differential feed mode, two Port amplitude is equal and 180 ° of phase phase difference.The reflection coefficient of differential antennae is usually measured with reflectance difference coefficient.Due to The complex impedance of antenna, reflectance difference coefficient redefine are as follows:
Za=Ra+j*Xa is the input impedance of antenna, and Zc=Rc+j*Xc is chip input impedance.If conjugate impedance match can To reach, Ra should be equal to Rc, and Xa should be equal to Xc.The antenna mainly pass through stacked dipole effectively extend current path realize it is small-sized Change, in this implementation process, using conjugate impedance match technology, makes antenna impedance and chip output impedance conjugate impedance match, to realize capsule The miniaturization of volume realizes its institute in this antenna by adjusting the width of item parasitic among the line width of dipole and lower layer The complex impedance needed: (86.5-j*43) Ω, α and β mainly influences the resonance frequency of its antenna in this implementation embodiment.? In xoy plane, antenna has the radiation characteristic of omnidirectional, is more conducive to antenna in this way and radiates and supervised around without being bound by capsule It surveys the different location of object (sometimes referred to as detected material) and gain is -27.8dBi.
Be illustrated in figure 6 the antenna of monitoring device is reflection coefficient and impedance analogous diagram.It can be seen from the figure that imitative Very -10dB impedance bandwidth reaches 16MHz, and emulation impedance is (86.28-j*42.3) Ω.
It is illustrated in figure 7 the emulation direction schematic diagram of the antenna of monitoring device, the i.e. main polarization and cross-pole in the face E and the face H Change directional diagram.Can differential antennae as seen from the figure cross polarization it is very weak.The antenna is omnidirectional regardless of capsule is monitored It is in what direction or position in object (human body), can radiate well.
The monitoring application schematic diagram that the external reception device of matched different directions as shown in Figure 8 is connect with monitoring device will External reception device is placed on centered on monitored object, can receive in the distance that radius is 2m warm in monitored object Degree.
Fig. 9 is the interface schematic diagram of monitoring device of the embodiment of the present invention.Swallow type capsule monitoring device 1000 includes shell 1005 and the antenna module 1001 inside shell 1005, control module 1002, sampling module 1003, power supply module 1004, Wherein, antenna module 1001 include first layer 1001a, second layer 1001b, first layer 1001a and second layer 1001b side by side set It sets, connecting pin passes through connecting component 1001c1 respectively, and 1001c2 is electrically connected to control module 1002 and (is connected to control module 1002 predetermined end), the electrical power supply module 1004 of control module 1002；Sampling module 1003 includes substrate 1003b, sensor 1003a, sensor 1003a are installed on the side of substrate 1003b.Preferably, sensor 1003a passes through surface mount (SMT) Form is installed on the side of substrate 1003b.In this way sampling module 1003 interval (time t, sampling be monitored object and will sampling letter Breath feeds back to the control module 1002 of connection, and control module 1002 receives the sample information and exports the information after conversion to day Line component 1001, antenna module 1001 receive the information that control module 1002 is transmitted and transmit it to matched reception device. In present embodiment, monitoring device is designed to capsule shape, and shell uses PEEK (polyether-ether-ketone) material.
In present embodiment, sampling module 1003 is configured at the one end of monitoring device, and the other end of monitoring device is matched Set antenna module 1001, i.e., sampling module is not configured with antenna module ipsilateral, in this way the detection accuracy of raising sampling module.This In embodiment, power supply module includes energy-storage battery, such as button cell.
In one embodiment, the substrate of sampling module it is substantially parallel with antenna module (or substrate substantially with antenna module Angle less than 10 °, seem that the substrate of sampling module is parallel with antenna module in this way), in this way raising sampling precision.
In one embodiment, the welding corresponding with the end of second layer 1001b of the end of first layer 1001a, i.e. antenna sets The feeding point of part, the feeding point use coaxial line to be connected with the radio frequency both ends of circuit board respectively.
In one embodiment, device housing is PEEK material.
In one embodiment, device internal temperature sensor is responsible for acquiring monitored object exterior ambient temperatures, by micro- Control processor processing Data Concurrent is sent, and is sent to received temperature data by serial ports with the matched receiving module of the device The display (such as LCD display) of connection.Preferably, in receiving module, using use the dipole of a half-wavelength as connecing Receive antenna.
In one embodiment, thermal conducting material is coated between sensor and shell.
Antenna module is sometimes referred to as antenna in the embodiment above.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing Change example.

Claims (10)

1. a kind of swallow type capsule monitoring device, which is characterized in that include shell, it is internal comprising antenna module, control module, Sampling module, power supply module, wherein the antenna module include first layer, and with the first layer second layer disposed in parallel；It is described The information of the monitored object of the sampling at sampling module interval and the control module that sample information is fed back to connection, the control module Output is to antenna module after receiving the sample information of sampling module feedback and being converted, described in the antenna module receives The information of control module transmission is simultaneously transmitted outward.
2. monitoring device as described in claim 1, which is characterized in that the shell includes that material is made every effort to overcome in polyether-ether-ketone material or Asia The output impedance conjugate impedance match of the chip of the impedance and control module in antenna module described in capsule shape of matter, the antenna module It receives the information of the control module transmission and is transmitted to the reception device of matching connection.
3. monitoring device as described in claim 1, which is characterized in that the first layer include the first dipole, described first For dipole along middle line bilateral symmetry, the first layer includes first end, the second end；The second layer includes the second dipole, institute The second dipole is stated along middle line bilateral symmetry, the second layer includes third end, and the 4th end, the third end electrically connects First end is connect, the 4th end is electrically connected the second end, and the middle part of the second layer also includes the parasitic item of strip.
4. monitoring device as claimed in claim 3, which is characterized in that it is even that the width of second dipole is greater than described first Extremely sub width.
5. monitoring device as claimed in claim 3, which is characterized in that the width of the parasitism item is greater than second dipole Width.
6. monitoring device as claimed in claim 5, which is characterized in that the width and the second dipole width of the parasitism item Ratio is between 1.2~5.0.
7. monitoring device as described in claim 1, which is characterized in that the sampling module includes substrate, sensor, the biography Sensor is installed on the side of substrate.
8. monitoring device as claimed in claim 7, which is characterized in that coat thermal conducting material between the sensor and shell.
9. monitoring device as claimed in claim 7, which is characterized in that the sampling module is configured at one end of monitoring device Portion, the antenna module are configured at the other end of monitoring device；The power supply module includes energy-storage battery.
10. monitoring device as described in claim 1, which is characterized in that the substrate of the sampling module is parallel with antenna module.
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