CN208282863U - A kind of compound sensor - Google Patents
A kind of compound sensor Download PDFInfo
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- CN208282863U CN208282863U CN201820855512.XU CN201820855512U CN208282863U CN 208282863 U CN208282863 U CN 208282863U CN 201820855512 U CN201820855512 U CN 201820855512U CN 208282863 U CN208282863 U CN 208282863U
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- cable
- compound sensor
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Abstract
The utility model discloses a kind of compound sensors, including pedestal, the pedestal inner cavity is provided with first circuit board, the first circuit board is transmitted for vibrating with the reception of impact signal, vibratory impulse Sensitive Apparatus is installed on the first circuit board, the pedestal side is provided with temperature probe, and temperature sensor is provided in the temperature probe, is connected with signal transmssion line on the first circuit board and the temperature sensor.The compound sensor is designed by its structure, can effectively realize the monitoring of EMU traveling rotary part temperature, vibratory impulse parameter, the travel safety of EMU is greatly improved.
Description
Technical field
The utility model relates to monitoring device fields, more specifically, in particular to a kind of compound sensor.
Background technique
EMU is also known as more power train combinations, and (Multiple Units, MU electric rail car group is called EMU diesel rail motor car
Group, such as the KIHA series of Japan is called DMU), it is one kind of railroad train.Presently, there are mainly two types of lead EMU
The distribution mode of priming power, first is that power decentralized, second is that power concentration, wherein power decentralized type is the dynamic of real Modern Significance
Vehicle group.The dynamic efficiency of the type EMU is higher, and especially on the slope, the weight of EMU car card is placed on each drive
On the wheel of power, useless weight bearing behind locomotive is dragged without becoming；Meanwhile the line shaft in EMU is to rail adhesion
Requirement it is lower, the load-carrying of every axis is also less, thus select EMU high-speed railway route, civil engineering and road to route
The requirement of rail is all more low；In addition, EMU is because there is a more motor, regenerative braking efficiency is high and speed adjusting performance
Good, braking deceleration is big, is especially suitable for the more route of speed limit section, and therefore, EMU has been increasingly becoming modern popular
One of rapid transit means of transport.
In practical operation, since the EMU speed of travel is exceedingly fast, the traveling rotary part failure of EMU high-speed motion is very
It is easy to appear that temperature is excessively high, vibratory impulse is excessive；Wheel-rail wear and tear loses circle, and derailing etc. causes vibration, impact variation, these all will
Influence the traffic safety of EMU.For realize high-speed EMUs traveling rotary part failure, wheel track failure, derailing etc. diagnosis,
Prevent EMU running part from breaking down and influencing traffic safety, it in the prior art, often will be at EMU running part
Special sensor is installed with its working condition of real-time monitoring.
Attached drawing 1 is to provide a kind of high sealing platinum resistance temperature sensor that notification number is CN202974488U, the sensing
Device signal transmission cable 08 passes through the platinum resistance sensing core that fixing seat is electrically connected to merging 02 inner end of metal protecting tube, in metal protecting tube
Encapsulating heat conductive insulating resin glue 03, is sealedly and fixedly connected in fixing seat；The fixing seat of signal transmission cable penetrates section sealing and sets
It sets, fixing seat process Installation hole is screw hole, is screwed in the process Installation hole with the silk plug 05 of fixing seat same material, consolidating in silk plug
The flexible insulation heatproof silicon rubber of reservation luminal perfusion.Although the high sealing platinum resistance temperature sensor is able to achieve the prison of temperature
It surveys, but the vibratory impulse for causing failure is unable to monitor completely.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of compound sensor, which passes through its structure
Design, can effectively realize the monitoring of EMU traveling rotary part temperature, vibratory impulse parameter, the row of EMU is greatly improved
Vehicle safety.
A kind of compound sensor, including pedestal, the pedestal inner cavity are provided with first circuit board, and the first circuit board is used
It is transmitted in vibration and the reception of impact signal, vibratory impulse Sensitive Apparatus, the base side is installed on the first circuit board
Portion is provided with temperature probe, and temperature sensor is provided in the temperature probe, and the first circuit board and the temperature are quick
Signal transmssion line is connected on inductor component.
Preferably, the other end of the signal transmssion line is connected with second circuit board, the second circuit board for vibrating,
Impact, the reception transmitting and normalized of temperature signal, the second circuit board outer cover are equipped with electric connector.
Preferably, it is provided in the pedestal for the first circuit board and vibratory impulse Sensitive Apparatus installation
Installation cavity, the first mounting hole that the pedestal side wall setting interts for the signal transmssion line are worn with for the temperature probe
The second slotting mounting hole, first mounting hole and second mounting hole are conducted with the installation cavity.
Preferably, the first circuit board is that screw is connect with the pedestal, wherein is provided with work on the pedestal side wall
Skill hole is provided with the screw for the fixed limit of the first circuit board in the fabrication hole, is provided with circle outside the screw
Cover board is provided with opening on another place's side wall of pedestal, the side's of being provided with cover board in the opening.
Preferably, the first circuit board and the pedestal are to be welded to connect, wherein the two sides and front end of the installation cavity
Place is provided with card slot, and the first circuit board includes Sensitive Apparatus part and conditioning plate part, the Sensitive Apparatus part with
The pocket matches of the installation cavity two sides, the pocket matches of the conditioning plate part and the installation cavity front end.
Preferably, the first circuit board includes substrate, is provided with circuit block, the circuit block external rings on the substrate
Equipped with shielding case.
Preferably, the vibratory impulse Sensitive Apparatus is three shaft vibration shock-sensitive devices, and the three shaft vibrations impact is quick
Inductor component can detect the vibratory impulse of tri- dimensions of X, Y, Z in solid space.
Preferably, the signal transmssion line outer cover is equipped with sheath, and the sheath is Sheathed metal hose sheath or rubber
Hose sheath is provided with screw plug or locking nut cap, the screw plug or the lock between the sheath and the pedestal
Adapter or embedding pipe are provided with outside tight nut cap.
Preferably, the signal transmssion line includes the first cable and the second cable, and first cable is electric with described second
The mutual shielding insulation of cable, first cable are the temperature in silver-coated copper wire cable and first cable and the temperature probe
Sensitive Apparatus connection, second cable is tinned wird cable and second cable is connect with the first circuit board.
Preferably, the temperature probe is rod-like structure, and temperature probe inner cavity top is provided at least two temperature
Sensitive Apparatus, between the temperature sensor and the temperature probe inner wall and between the different temperature sensors
It is provided with pressure-resistant insulating film.
Preferably, thermal resistance or thermocouple with long distance temperature measurement ability are provided on the temperature sensor.
Preferably, fixing seat is provided between the second circuit board and the electric connector, outside the electric connector
It is provided with for sealing the double-hole rubber plug completely cut off inside and outside the electric connector.
Preferably, the electric connector is round electric connector or rectangular connector.
The beneficial effects of the utility model are: the compound sensor provided by the utility model is when it is implemented, this is set
It is standby to be mounted at EMU traveling rotary part to be monitored, external vibration impact value is monitored by vibratory impulse Sensitive Apparatus,
Then coherent signal being transferred to first circuit board, relevant information is transferred to signal transmssion line in turn by first circuit board, meanwhile,
Relevant information is simultaneously transferred to signal transmssion line by temperature sensor meeting Simultaneous Monitoring external temperature value, and signal transmssion line finally will
Coherent signal is transferred to peripheral control unit and realizes that the output of signal judges, so as to effectively realize EMU traveling rotating part
The travel safety of EMU is greatly improved in the monitoring of part temperature, vibratory impulse parameter.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structural schematic diagram of high sealing platinum resistance temperature sensor of the prior art；
Fig. 2 is the overall structure diagram of compound sensor disclosed in the utility model embodiment 1；
Fig. 3 is the axial sectional view of compound sensor disclosed in the utility model embodiment 1；
Fig. 4 is base interior cross-sectional view when 2 screw of the utility model embodiment connects；
Fig. 5 is the perspective view of the explosion of compound sensor when 2 screw of the utility model embodiment connects；
Fig. 6 is the structural schematic diagram of first circuit board when the utility model embodiment 3 is welded to connect；
Fig. 7 is base interior cross-sectional view when the utility model embodiment 3 is welded to connect；
Fig. 8 is the perspective view of the explosion of compound sensor when the utility model embodiment 3 is welded to connect；
Fig. 9 is the top view of first circuit board disclosed in the utility model embodiment 4；
Figure 10 is the main view of first circuit board disclosed in the utility model embodiment 4；
Figure 11 is the structural schematic diagram of Sheathed metal hose sheath disclosed in the utility model embodiment 5；
Figure 12 is the structural schematic diagram of rubber hose sheath disclosed in the utility model embodiment 5；
Figure 13 is the radial cross-section of signal transmssion line disclosed in the utility model embodiment 6；
Figure 14 is the structural schematic diagram of temperature probe disclosed in the utility model embodiment 7；
Figure 15 and Figure 16 is the connection signal of second circuit board and electric connector disclosed in the utility model embodiment 8
Figure.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The application protection all should belong in technical staff's every other embodiment obtained without making creative work
Range.
Embodiment 1:
A kind of specific embodiment of the utility model compound sensor is provided to Fig. 3, Fig. 2 to Fig. 3 referring to fig. 2, wherein
Fig. 2 is the overall structure diagram of compound sensor disclosed in the utility model embodiment 1；Fig. 3 is the utility model implementation
The axial sectional view of compound sensor disclosed in example 1.
As shown in Figure 2 to Figure 3, compound sensor provided in this embodiment can realize the prison of vibratory impulse and temperature simultaneously
It surveys.The compound sensor provided in this embodiment includes pedestal 1, first circuit board 2, vibratory impulse Sensitive Apparatus 3, temperature probe
4, temperature sensor 5, signal transmssion line 6.
In the present solution, compound sensor includes pedestal 1, pedestal 1 is used for the peace of first circuit board 2 and temperature probe 4 etc.
Dress provides supporting and space, and the specific structure of pedestal 1 carries out selection design as needed, and the pedestal 1 that the present embodiment attached drawing provides selects
With hexagonal pedestal.In specifically used, pedestal 1 is typically mounted at external position to be monitored.For example, being mounted on motor-car to be monitored
On the point to be monitored of group traveling rotary part.
1 inner cavity of pedestal is provided with first circuit board 2, and first circuit board 2 is transmitted for vibrating with the reception of impact signal.
Vibratory impulse Sensitive Apparatus 3 is installed, vibratory impulse Sensitive Apparatus 3 is rushed for external vibration on first circuit board 2
The sensitivity of physical quantity is hit, while coherent signal is passed into first circuit board 2.Specifically, EMU EEF bogie failure generates
Mechanical oscillation are transferred to the mounting surface of pedestal 1 by installing interface, are then secondly transferred to first circuit board 2 and vibration punching thereon
It hits on Sensitive Apparatus 3, to evoke impact output caused by the sensitive corresponding vibration of vibratory impulse Sensitive Apparatus 3 and generalized resonance.
Wherein, vibratory impulse Sensitive Apparatus 3 can utilize the sensitivity principles such as piezoelectric type, condenser type, pressure resistance type, mounting means
It is welded on first circuit board 2 using surface mount process, more installations can be realized by adjusting 2 pad direction of first circuit board
Demand (such as axle box end sensitive direction Vertical Temperature probe 4, gear-box and the motor side sensitive direction of the detection of direction vibratory impulse
Parallel temperature probe 4), and vibratory impulse Sensitive Apparatus 3 can be used multiaxis device while carry out polyaxial detection, meet traveling
Portion's malfunction monitoring diagnosis and derailing diagnosis, rail level detection etc. vibrations, impact signal extraction demand.In the present embodiment, the vibration
Dynamic shock-sensitive device 3 is preferably three shaft vibration shock-sensitive devices, the detectable solid of the three shaft vibrations shock-sensitive device
The vibratory impulse of tri- dimensions of X, Y, Z in space.It is of course also possible to select to be respectively mounted and may only examine in axially different detection position
Survey the uniaxial vibratory impulse Sensitive Apparatus of a direction vibratory impulse.
1 side of pedestal is provided with temperature probe 4, and temperature sensor 5 is provided in the temperature probe 4, and temperature is sensitive
Device 5 is used for the measurement of external temperature.
Signal transmssion line 6 is connected on first circuit board 2 and temperature sensor 5, signal transmssion line 6 is used for the biography of signal
It passs.
In this way, signal transmssion line 6 is after receiving the signal that first circuit board 2 and temperature sensor 5 transmit, signal is passed
Coherent signal can be transferred to peripheral control unit and realize that the output of signal judges by defeated line 6, dynamic so as to effectively realize
Vibration, impact parameter needed for vehicle group traveling rotary part temperature, vibration, the monitoring of impact parameter and wheel track operating condition, derailing
Monitoring.
In the present embodiment, the other end of signal transmssion line 6 is connected with second circuit board 7, second circuit board 7 for vibrating,
Impact, the reception transmitting and normalized of temperature signal.Normalized is a kind of mode of simplified calculating, i.e., will have dimension
Expression formula, by transformation, turn to nondimensional expression formula, become scalar.Normalization is a kind of dimensionless processing means, makes object
The absolute value of reason system value becomes certain relative value relationship, calculates to simplify, and reduces magnitude.Etc. external computers it is various
After operation all, then the change of real-time anti-normalization processing can all restore all.Specifically, second circuit board 7 can will shake
The sensitivity adjustment of dynamic and impact etc. can effectively meet to same range that is, to same failure output response having the same
The field erected exchange of the compound sensor.
In the present embodiment, defeated transmitting outside the connection and signal to further facilitate this equipment is arranged outside second circuit board 7
There is electric connector 8, electric connector 8 is generally connect with peripheral control unit or calculator, so that the compound sensor be monitored
Vibration and shock signal transmitted outward with temperature signal, and then the operation of equipment to be monitored is judged by peripheral control unit or calculator
Situation.Specifically, temperature, vibration and impact signal can also be exported directly by signal transmssion line 6 (such as cable), or be adopted
It is exported with round electric connector or rectangular electric connector mode, external sampling system can be also directly inputted into a manner of connecting terminal
In terminal block.
When this programme implement body is implemented, which is mounted on external EMU traveling rotary part to be monitored
Or bear at the axle box vibrated greatly, external vibration impact value is monitored by vibratory impulse Sensitive Apparatus 3, then passes coherent signal
It is handed to first circuit board 2, relevant information is transferred to second circuit board 7 in turn by first circuit board 2, meanwhile, temperature sensor 5
Simultaneous Monitoring external temperature value and relevant information can be transferred to second circuit board 7, second circuit board 7 can to vibration, impact,
Temperature signal carries out receiving transmitting and normalized, connects peripheral control unit finally by electric connector 8 and realizes signal
Output judgement, so as to effectively realize the monitoring and wheel track work of EMU traveling rotary part temperature, vibratory impulse parameter
The monitoring of rail vibratory impulse parameter, is greatly improved the travel safety of EMU needed for condition, anticreep.
Embodiment 2:
Referring to fig. 4 and Fig. 5, Fig. 4 and Fig. 5 provide the specific embodiment connected inside compound sensor using screw, Fig. 4
Base interior cross-sectional view when being connected for 2 screw of the utility model embodiment；When Fig. 5 is that 2 screw of the utility model embodiment connects
The perspective view of the explosion of compound sensor.
As shown in Figure 4 and Figure 5, in the present embodiment, to further facilitate the company between pedestal 1 and external equipment to be monitored
It connects, while facilitating the connection between pedestal 1 and first circuit board 2, the pedestal 1 is preferably hexagonal pedestal, the hexagonal pedestal
This rigid connection is connect between the first circuit board 2 for screw.Certainly, the hexagonal pedestal and first electricity
It can also be using welded connecting or other rigid connections between road plate 2.
In the following, specifically introducing this programme by taking screw connects as an example, which can realize multimachine in narrow pedestal inner cavity
The ingenious layout of structure, thus by high speed motor car move in vibration, impact, temperature measurement needed for chip be all integrated into it is one small
Small pedestal solves the problems, such as that sensor installation is limited in the prior art.
In the present embodiment, it is provided in the pedestal 1 of the compound sensor and is rushed for the first circuit board 2 with the vibration
Hit the installation cavity 101 of the installation of Sensitive Apparatus 3, the first installation that 1 side wall of the pedestal setting interts for the signal transmssion line 6
Hole 102 and the second mounting hole 103 interted for the temperature probe 4, first mounting hole 102 and second mounting hole
103 are conducted with the installation cavity 101.
When first circuit board 2 is that screw is connect with the pedestal 1, wherein be provided with technique on 1 side wall of pedestal
Hole 104, is provided with the screw 105 for the fixed limit of the first circuit board 2 in the fabrication hole 104, outside the screw 105
Portion is provided with closing disk 106, and opening 107, the side's of being provided with lid in the opening 107 are provided on another place's side wall of the pedestal 1
Plate 108.
Embodiment 3:
It is the structural schematic diagram of first circuit board when the utility model embodiment 3 is welded to connect referring to Fig. 6 to Fig. 8, Fig. 6；
Fig. 7 is base interior cross-sectional view when the utility model embodiment 3 is welded to connect；Fig. 8 is the welded connecting of the utility model embodiment 3
When compound sensor perspective view of the explosion；
As shown in Figure 6 to 8, in the present embodiment, to further facilitate the company between pedestal 1 and external equipment to be monitored
It connects, while facilitating the connection between pedestal 1 and first circuit board 2, the pedestal 1 equally can be preferably hexagonal pedestal, described
It is this rigid connection of welded connecting between hexagonal pedestal and the first circuit board 2.Certainly, the hexagonal pedestal and institute
Stating can also be using screw connection or other rigid connection between first circuit board 2.
In the following, specifically introducing this programme for connecting with welding, which can realize multimachine in narrow pedestal inner cavity
The ingenious layout of structure, thus by high speed motor car move in vibration, impact, temperature measurement needed for chip be all integrated into it is one small
Small pedestal solves the problems, such as that sensor installation is limited in the prior art.
In the present embodiment, when first circuit board 2 is to be welded to connect with the pedestal 1, wherein the installation cavity 101
Card slot 109 is provided at two sides and front end, the first circuit board 2 includes Sensitive Apparatus part 201 and conditioning plate part
202, the Sensitive Apparatus part 201 is matched with the card slot 109 of 101 two sides of installation cavity, the conditioning plate part 202 with
The card slot 109 of 101 front end of installation cavity matches.
Embodiment 4:
Referring to Fig. 9 and Figure 10, Fig. 9 and Figure 10 provide a kind of specific embodiment of first circuit board, wherein Fig. 9 is this
The top view of first circuit board disclosed in utility model embodiment 4；Figure 10 is first disclosed in the utility model embodiment 4
The main view of circuit board.
As shown in Figure 9 and Figure 10, in the present embodiment, to further facilitate 2 pairs of first circuit board vibrations and impact signal
Receive transmitting, it is preferable that the first circuit board 2 is described including being provided with circuit block 202 on substrate 201, the substrate 201
202 external rings of circuit block are equipped with shielding case 203.In this way, first circuit board 2 provided by the utility model can be with signal transmssion line
The screening braid of 6 (the present embodiment selection cables) is connected, and the entirety of first circuit board 2 circuit and cable core may be implemented
Shielding, in addition, using dosing technology by vibratory impulse Sensitive Apparatus 3,2 shielding case 203 of first circuit board, signal transmssion line 6 again
Entirety is formed, can realize high reliability and stronger anti-electromagnetic interference shielding function.
Embodiment 5:
Referring to Figure 11 and Figure 12, Figure 11 and Figure 12 provide the specific embodiment of two kinds of sheaths, wherein Figure 11 is that this is practical
The structural schematic diagram of Sheathed metal hose sheath disclosed in new embodiment 5；Figure 12 is disclosed in the utility model embodiment 5
Rubber hose sheath structural schematic diagram；
As is illustrated by figs. 11 and 12, in the present embodiment, for the stability for further ensuring that signal transmission, anti-stop signal transmission
Interfere, it is preferable that 6 outer cover of signal transmssion line be equipped with sheath 9, the sheath 9 be Sheathed metal hose sheath or
Rubber hose sheath is provided with locking nut cap 10, is provided with outside the locking nut cap 10 between the sheath 9 and the pedestal 1
Embedding pipe 11.Certainly, locking nut cap 10 can also select screw plug or other similar functional structures substitutions, and embedding pipe 11 can also be with
With adapter or other similar functional structure substitutions.
Specifically, Tu11Zhong, the sheath 9 are Sheathed metal hose sheath, add armouring to connect work using metal hose
Skill.In Figure 12, the sheath 9 is rubber hose sheath, connects Joining Technology using rubber hose pressurization.Wherein, screw plug
Or locking nut cap 10 is respectively used to be reliably connected metal hose or rubber hose；Adapter or embedding pipe 11 are used for sheath 9 and pedestal 1
Be reliably connected, by the above Joining Technology, the tensile strength of the compound sensor provided by the utility model can be made to reach big
In 500N or more, and then can be with the signal transmssion line 6 (such as cable) inside effective protection sheath 9.
Embodiment 6:
A kind of specific embodiment of signal transmssion line is provided referring to Figure 13, Figure 13, wherein Figure 13 is that the utility model is real
Apply the radial cross-section of signal transmssion line disclosed in example 6.
As shown in figure 13, mutually dry between anti-stop signal for the effective transmission for further facilitating signal in the present embodiment
It disturbs, enhances signal transmission capabilities, it is preferable that the signal transmssion line 6 includes the first cable 601 and the second cable 602, described
First cable 601 and second cable 602 be individually shielded, mutually insulated, first cable 601 be silver-coated copper wire cable and
First cable 601 is connect with the temperature sensor 5 in the temperature probe 4, and second cable 602 is tinned wird
Cable and second cable 602 is connect with the first circuit board 2.
Specifically, the present embodiment the first cable 601 and the second cable 602 are shielded multiconductor cable, wherein connection temperature is visited
601 cored wire conductor of the first cable of temperature sensor 5 uses silver-coated copper wire in needle 4, so as to effectively reduce cable resistance
It is anti-.602 cored wire conductor of the second cable connecting with the first circuit board 2 uses tinned wird, so as to effectively transmit vibration
Dynamic, impact signal.Two cables separate in hexagonal pedestal 1 and merge output in sheath 9, in order to operate and be resistant to strong vibration
Dynamic impact；Two cables individually shield, and are connected to rear class shielding layer grounding end in the conducting of compound sensor connector end,
In conjunction with the shielding construction of second circuit board 7, there is stronger shielding to electromagnetic interference.
Embodiment 7:
A kind of specific embodiment of temperature probe is provided referring to Figure 14, Figure 14, wherein Figure 14 is the utility model implementation
The structural schematic diagram of temperature probe disclosed in example 7.
As shown in figure 14, in the present embodiment, it is preferable that the temperature probe 4 is rod-like structure, in the temperature probe 4
Chamber top is provided at least two temperature sensors 5, between 4 inner wall of the temperature sensor 5 and the temperature probe with
And pressure-resistant insulating film is provided between the different temperature sensors 5.Tool is provided on the temperature sensor 5
There are the thermal resistance or thermocouple of long distance temperature measurement ability.
Specifically, it is flanged (FLGD) elongated rod-like structure that the temperature probe 4 of this programme, which is preferentially selected, in temperature probe 4
1 or more high temperature temperature sensors 5 are contained on top in portion, and temperature sensor 5 is had using thermal resistance or thermocouple etc.
The device of long distance temperature measurement is with the temperature of sensitive -55 DEG C to 250 DEG C ranges.Temperature sensor 5 and temperature probe 4 shell or more
It can be isolated by the pressure-resistant insulating film of thin barrel shape, high voltage between temperature sensor 5, and be filled using thermal conductive insulation glue
Envelope, can effectively realize good temperature-responsive and high insulation characterisitic；It is used between temperature sensor 5 and cable and crimps or weld
It connects, the sheath 9 outside cable shield organization level and cable extends to the top of temperature probe 4, and by the middle part of cable and temperature probe 4
By the encapsulating of high-intensity sealing glue between root (flange end) shell, tight sealing and strong tension are realized.
In addition, a variety of probe lengths of 4 flexibly configurable of temperature probe, multi-channel temperature measurement, more mode of connection outputs meet
The requirement of difference tested installation site depth, temperature detection number and regular length.It is wide with temperature-measuring range, thermal response is good, high
Insulation and sealing, strong tension, output configure flexible, high reliability.
Embodiment 8:
Referring to Figure 15 and Figure 16, Figure 15 and Figure 16 provide the specific embodiment that second circuit board is connect with electric connector,
Wherein, Figure 15 and Figure 16 is the connection schematic diagram of second circuit board and electric connector disclosed in the utility model embodiment 8.
Such as Figure 15 and Figure 16, cooperate shown in above-mentioned Fig. 3, in the present embodiment, it is preferable that the second circuit 7 and the electricity
It is provided with fixing seat 12 between connector 8, is provided with outside the electric connector 8 and completely cuts off in the electric connector 8 for sealing
Outer double-hole rubber plug 13.The preferably circular electric connector of the electric connector 8 or rectangular connector.
Specifically, round electric connector or rectangular connector etc. can be used in electric connector 8 provided in this embodiment, electrical connection
It is mounted on second circuit board 7 inside device 8, adjusting is normalized to vibratory impulse to realize.
7 mounting means of second circuit board mainly includes two classes: the first kind, and second circuit board 7 is welded on welding base, not only
The electrical connection of the contact pin and second circuit board 7 of electric connector 8 can be achieved, and can realize fixed second circuit board 7, there is work
Skill is simple and convenient and high reliability；Second class, second circuit board 7 are fixed in fixing seat 12, wherein second circuit board 7 and electricity
The contact pin of connector 8 realizes electrical communication by multiply flexible circuit conductor, then is installed in 12 card slot of fixing seat being embedded in upper casing.
To which it is strong that 8 built-in electrical insulation of electric connector can be improved on the basis of realizing that second circuit board 7 is connected to the contact pin of electric connector 8
Spend 2 times or more.
Generally speaking, the compound sensor provided by the utility model has the following beneficial effects:
1, the compound sensor shell provided by the utility model is hexagonal pedestal and probe structure, can effectively be met existing
There is temperature sensor that interface is installed, it is internal that there is temperature sensor can detecte -55 DEG C~250 DEG C high temperature, it installs simultaneously
There is a vibratory impulse Sensitive Apparatus to detect impact caused by the vibration of EEF bogie failure generation and generalized resonance, utility model one
Kind collection temperature, vibration and the sensor for impacting compound detection；
2, the compound sensor provided by the utility model can pass through first circuit board and vibratory impulse Sensitive Apparatus
Different principle and different installation realize different directions, polyaxial vibratory impulse detection, meet EEF bogie failure prison
It surveys diagnosis, derailing diagnosis and rail level and detects the demand extracted to vibratory impulse；
3, the compound sensor provided by the utility model can pass through first circuit board shielding construction and screened cable
Connection conducting has stronger shielding to electromagnetic interference；
4, the compound sensor provided by the utility model can pass through screw installation, laser welding, encapsulating, mechanical connection
Etc. manufacturing process, have high reliability；The compound sensor group becomes versatile material, such as stainless steel, low-smoke halogen-free cable, cable
Sheath, connector etc., in conjunction with the packaging technology easily manufactured, in the case where realizing various configurations, performance and price with higher
Than.
A kind of compound sensor provided by the utility model is described in detail above.It is used herein specifically
A example is expounded the principles of the present invention and embodiment, and the above embodiments are only used to help understand originally
The method and its core concept of utility model.It should be pointed out that for those skilled in the art, not departing from
Under the premise of the utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification
It falls into the protection scope of the utility model claims.
Claims (13)
1. a kind of compound sensor, which is characterized in that including pedestal, the pedestal inner cavity is provided with first circuit board, and described
One circuit board is transmitted for vibrating with the reception of impact signal, is equipped with vibratory impulse Sensitive Apparatus on the first circuit board,
The pedestal side is provided with temperature probe, is provided with temperature sensor in the temperature probe, the first circuit board with
Signal transmssion line is connected on the temperature sensor.
2. compound sensor according to claim 1, which is characterized in that the other end of the signal transmssion line is connected with
Two circuit boards, the second circuit board for vibrate, impact, the reception transmitting and normalized of temperature signal, described second
Circuit board outer cover is equipped with electric connector.
3. compound sensor according to claim 1, which is characterized in that be provided in the pedestal for first electricity
The installation cavity of road plate and vibratory impulse Sensitive Apparatus installation, the pedestal side wall setting are interspersed for the signal transmssion line
The first mounting hole and the second mounting hole for interting for the temperature probe, first mounting hole and second mounting hole
It is conducted with the installation cavity.
4. compound sensor according to claim 3, which is characterized in that the first circuit board is screw with the pedestal
Connection, wherein be provided with fabrication hole on the pedestal side wall, be provided in the fabrication hole and fixed for the first circuit board
The screw of limit is provided with closing disk outside the screw, is provided with opening on another place's side wall of pedestal, in the opening
The side's of being provided with cover board.
5. compound sensor according to claim 3, which is characterized in that the first circuit board is welding with the pedestal
Connection, wherein card slot is provided at the two sides and front end of the installation cavity, the first circuit board includes Sensitive Apparatus part
With conditioning plate part, the pocket matches of the Sensitive Apparatus part and the installation cavity two sides, the conditioning plate part with it is described
The pocket matches of installation cavity front end.
6. compound sensor according to claim 1, which is characterized in that the first circuit board includes substrate, the base
Circuit block is provided on plate, the circuit block external rings are equipped with shielding case.
7. compound sensor according to claim 1, which is characterized in that the vibratory impulse Sensitive Apparatus is three shaft vibrations
Shock-sensitive device, the three shaft vibrations shock-sensitive device can detect the vibratory impulse of tri- dimensions of X, Y, Z in solid space.
8. compound sensor according to claim 1, which is characterized in that the signal transmssion line outer cover is equipped with sheath,
The sheath is Sheathed metal hose sheath or rubber hose sheath, is provided with screw plug between the sheath and the pedestal
Or locking nut cap, the screw plug or the locking nut cap peripheral hardware are equipped with adapter or embedding pipe.
9. compound sensor according to claim 1, which is characterized in that the signal transmssion line includes the first cable and the
Two cables, first cable and the mutual shielding insulation of the second cable, first cable is silver-coated copper wire cable and institute
It states the first cable to connect with the temperature sensor in the temperature probe, second cable is tinned wird cable and described
Second cable is connect with the first circuit board.
10. compound sensor according to claim 1, which is characterized in that the temperature probe is rod-like structure, the temperature
Degree probe bores top is provided at least two temperature sensors, the temperature sensor and the temperature probe inner wall it
Between and the different temperature sensors between be provided with pressure-resistant insulating film.
11. compound sensor according to claim 1, which is characterized in that being provided on the temperature sensor has
The thermal resistance or thermocouple of long distance temperature measurement ability.
12. compound sensor according to claim 2, which is characterized in that the second circuit board and the electric connector
Between be provided with fixing seat, be provided with outside the electric connector for sealing the diplopore rubber completely cut off inside and outside the electric connector
Plug.
13. compound sensor according to claim 2, which is characterized in that the electric connector be round electric connector or
Rectangular connector.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820855512.XU CN208282863U (en) | 2018-06-04 | 2018-06-04 | A kind of compound sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820855512.XU CN208282863U (en) | 2018-06-04 | 2018-06-04 | A kind of compound sensor |
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| Publication Number | Publication Date |
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| CN208282863U true CN208282863U (en) | 2018-12-25 |
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ID=64705655
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955762A (en) * | 2018-06-04 | 2018-12-07 | 唐智科技湖南发展有限公司 | A kind of compound sensor |
-
2018
- 2018-06-04 CN CN201820855512.XU patent/CN208282863U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955762A (en) * | 2018-06-04 | 2018-12-07 | 唐智科技湖南发展有限公司 | A kind of compound sensor |
| CN108955762B (en) * | 2018-06-04 | 2024-03-22 | 唐智科技湖南发展有限公司 | Composite sensor |
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