CN108120471A - Detection device and vehicle speed variation system - Google Patents
Detection device and vehicle speed variation system Download PDFInfo
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- CN108120471A CN108120471A CN201611066179.6A CN201611066179A CN108120471A CN 108120471 A CN108120471 A CN 108120471A CN 201611066179 A CN201611066179 A CN 201611066179A CN 108120471 A CN108120471 A CN 108120471A
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- sensor
- printed circuit
- circuit board
- pcb
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 51
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- 239000011248 coating agent Substances 0.000 claims description 4
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- 230000002411 adverse Effects 0.000 description 3
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- 238000010146 3D printing Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention discloses a kind of detection device, including：Printed circuit board (PCB)；Substrate positioned at the first side of the printed circuit board (PCB), is provided with sensor on the substrate, the pin of the sensor is electrically connected through the substrate and the printed circuit board (PCB) and with the printed circuit board (PCB)；And bottom case, positioned at the second side of the printed circuit board (PCB), the printed circuit board (PCB) can be accommodated；Wherein, the printed circuit board (PCB) is fixed between the substrate and the bottom case, offers to form the hollow out of cantilever portion in the printed circuit board (PCB) on the printed circuit board (PCB), the pin is through the cantilever portion and is welded and fixed.In addition, the invention discloses a kind of vehicle speed variation systems.This detection device is easy to implement the integrated and at low cost of sensor.
Description
Technical field
The present invention relates to a kind of detection device, in particular it relates to a kind of detection device and be configured with the inspection
Survey the vehicle speed variation system of device.
Background technology
In the prior art, there is the situation for needing to detect the parameter under the adverse circumstances such as fluid, for example, temperature, position, pressure
Power etc., for this purpose, realizing that the sensor for detecting such parameter is also required to be arranged at the adverse circumstances.When sensor is subject to external impacts
When, pin may be damaged when by mechanical pressure, so as to affect the normal work of sensor.
By taking gearbox as an example, need by detection device to detect all parameter of gearbox, for example, position, speed,
Temperature etc., correspondingly, the detection device needs to include position sensor, velocity sensor and temperature sensor etc., Gai Dengchuan
Sensor usually requires to be arranged in gearbox, and existing gearbox sensor has following two arrangements：
1st, sensor integration is on gear box control unit (i.e. TCU).In such case, due to needing to detect selector fork
Gear positions, the rotating speed of shaft, the temperature etc. of gear box oil, realize that the position of the sensor of the detection limits gearbox control
The position of unit processed causes gear box control unit design difficulty larger.In addition, gear box control unit is also required to be arranged on change
The inside of fast case, this for the against shock of gear box control unit, heat-resisting and leakproofness, anti-corrosive properties (leaching in the oil) requirement compared with
It is high.Also, since sensor may be subject to external impacts, the pin of sensor, which easily generates, the impaired phenomenon such as snaps.
2nd, sensor is separated with gear box control unit.In such case, sensor is separated with gear box control unit, respectively
A sensor is connected respectively by electric wire with gear box control unit.Due to usually requiring that multiple sensings are set in gearbox
Device, this to arrange many connection electric wires in gearbox, thus layout for transmission internal and sensor can
It is produced bigger effect by property.In addition, this structure connected respectively, can not provide anti-electromagnetic interference (EMC) protection.Also, this
Kind mode, cost is higher, and reliability is relatively low.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of detection device, can facilitate the integrated of sensor and
It can prevent the lower damage pin welding point of external force effect.
In order to solve the above-mentioned technical problem, present invention employs following technical solutions：A kind of detection device, including：
Printed circuit board (PCB)；
Substrate positioned at the first side of the printed circuit board (PCB), is provided with sensor on the substrate, the sensor draws
Foot is electrically connected through the substrate and the printed circuit board (PCB) and with the printed circuit board (PCB)；And
Bottom case positioned at the second side of the printed circuit board (PCB), can accommodate the printed circuit board (PCB)；Wherein,
The printed circuit board (PCB) is fixed between the substrate and the bottom case, is opened up on the printed circuit board (PCB) useful
In the hollow out that cantilever portion is formed in the printed circuit board (PCB), the pin is through the cantilever portion and is welded and fixed.
Preferably, the quantity of the cantilever portion is multiple that each pin is arranged in the different cantilever portions.
Preferably, the quantity of the sensor is multiple.
Preferably, the shape of the hollow out is U-shaped or V-arrangement.
Preferably, the sensor include the carrier of injection molding, the sensor body for being built in the carrier and
The carrier and the lead being electrically connected with the sensor body are built in, the carrier has close to the printed circuit board (PCB)
Bottom, offers internal thread on the bottom, screw sequentially pass through the printed circuit board (PCB) and the substrate and with the biography
Sensor is threadedly coupled.
Preferably, the outer profile of the bottom is circle, and the bottom, which is located at intermediate position coating and injection moulding, nut, institute
Nut is stated with the internal thread, the periphery of the bottom is circumferentially evenly arranged with identical prominent of several height
It rises, the height that the protrusion is extended by the bottom is not less than the height that the nut is extended by the bottom.
Preferably, the carrier includes body part and cover portion, and the lead is built in the body part, the biography
Sensor body is electrically connected to the one end of the lead away from the printed circuit board (PCB), and the cover portion is fixed on institute by Laser Welding
State body part and by the sensor body and the lead-in wire sealing.
Preferably, the sensor includes carrier, the sensor body for being built in the carrier and is built in described
Carrier and the lead being electrically connected with the sensor body, the carrier has close to the bottom of the printed circuit board (PCB), described
It is opened up on bottom around the pin fluted.
Preferably, the substrate, printed circuit board (PCB) and bottom case three pass through one kind for riveting, be threadedly coupled and being clamped
Or a variety of fixations.
Preferably, the sensor is included in velocity sensor, temperature sensor, position sensor and pressure sensor
One or more.
Preferably, electromagnetism interference module is provided on the printed circuit board (PCB), accommodating chamber is provided on the bottom case,
The electromagnetism interference module is located in the accommodating chamber, is set between the electromagnetism interference module and the accommodating chamber
It is useful for the seal member that the electromagnetism interference module is isolated from the outside.
Preferably, the connector being electrically connected with each sensor is fixedly installed on the substrate.
Preferably, the printed circuit board (PCB) on the substrate with being provided with for both fixed screw, the screw neighbour
The pin of the nearly sensor is set.
In addition, the invention also discloses a kind of vehicle speed variation system, including gearbox body, gear box control unit and
Such as front any one of them detection device.
Preferably, the detection device is arranged in the babinet, and the gear box control unit is arranged at the babinet
Outside, the detection device is electrically connected by the connector with the gear box control unit.
Compared with prior art, the beneficial effects of the present invention are：
1st, by the way of printed circuit board (PCB), the sensor for forming detection device is integrated, it is simple in structure, substrate with
Bottom case can form environmental protection to printed circuit board (PCB)；
The 2nd, cantilever portion is set on a printed circuit and pin is installed, enables to be generated along pin by external force when sensor
During the displacement of length direction, which can move together, reduce the impact to pin weld part；
3rd, the flexibility ratio of pin is improved by opening up groove on pin periphery, pin can be convenient in substrate and printing electricity
The installation of road plate, in addition, when sensor is subject to ambient pressure, pin is readily able to deform, and avoids generating pin weld part
It destroys；
4th, the protrusion set in the bottom of the carrier of sensor can avoid causing due to injection back nut protrudes from bottom
Carrier the situation uniformly contacted can not be formed with substrate；
5th, electromagnetism interference module can form sensor electromagnetism interference protection；
6th, the connector set on a printed circuit is easy to implement the connection of the detection device and external control element；
7th, the vehicle speed variation system of the detection device is configured, without gear box control unit is arranged in gearbox body,
Extend the service life of gear box control unit.
Description of the drawings
Fig. 1 is the stereogram of one embodiment of the detection device of the present invention；
Fig. 2 is the decomposition chart of Fig. 1；
Fig. 3 is the three-dimensional structure diagram after the bottom case for removing Fig. 1；
Fig. 4 is the A portions partial enlarged view of Fig. 3；
Fig. 5 is a kind of stereogram of sensor in Fig. 1；
Fig. 6 is the decomposition chart of Fig. 5；
Fig. 7 is the side view of Fig. 5；
Fig. 8 is the B portions partial enlarged view of Fig. 7；
Fig. 9 is the side view after the bottom case for removing Fig. 1；
Figure 10 is the C portions partial enlarged view of Fig. 9；
Figure 11 is the schematic diagram of one embodiment of the vehicle speed variation system of the present invention.
Reference sign
1- bottom cases；101- bottom walls；102- side walls；103- accommodating chambers；2- printed circuit board (PCB)s；201- cantilever portions；202- is engraved
It is empty；3- substrates；4- sensors；41- first positions sensor；42- velocity sensors；43- second positions sensor；44- temperature
Sensor；401- carriers；4011- body parts；4012- covers portion；402- sensor bodies；403- leads；404- bottoms；405-
Pin；406- grooves；407- protruding portions；408- leads；409- protrusions；5- seal members；6- screws；7- electromagnetism interference moulds
Block；8- rivets；9- connectors；10- gearbox bodys；11- gear box control units；12- the first connecting portion parts；13- second is connected
Component；14- gears；15- hydraulic modules；100- detection devices.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments, but not as the limit to the present invention
It is fixed.
The present invention relates to detection device, which includes one or more sensors for realizing detection function, so as to
Detect many kinds of parameters under specific environment.Sensor can be selected according to the needs under specifically used environment, for example, speed passes
Sensor, temperature sensor, position sensor and pressure sensor etc..
Fig. 1 shows the stereochemical structure in assembled state of the detection device of the present invention；Fig. 2 shows the inspection of the present invention
Survey the stereochemical structure in explosive state of device.
Referring to Fig. 1, Fig. 2, a kind of detection device 100 of the invention (is not marked including printed circuit board (PCB) 2 and housing in figure
Know), printed circuit board (PCB) 2 is contained in housing and passes through fixing piece and is fixed.Wherein, housing includes substrate 3 and bottom case 1.
Substrate 3 can be with selected as metal material, for example, can be formed with selected as aluminum alloy material, substrate 3 to printed circuit board (PCB) 2
Environmental protection, such as hot, water, vibrations；Bottom case 1 can be moulding, it is also possible to environmental protection is formed to printed circuit board (PCB) 2,
Substrate 3 with bottom case 1 to have similar coefficient of thermal expansion to be preferred, in such manner, it is possible to both when keeping from heat deformation it is inconsistent.
As shown in Figure 1, 2, substrate 3 positioned at the first side of printed circuit board (PCB) 2 (upside of Fig. 2), are provided with more on substrate 3
A sensor 4, the pin 405 of sensor 4 are electrically connected through substrate 3 and printed circuit board (PCB) 2 and with printed circuit board (PCB) 2, specifically
After pin 405 passes through substrate 3 and printed circuit board (PCB) 2, to be electrically connected by welding with printed circuit board (PCB) 2.In the embodiment
In, sensor 4 is the configuration mode suitable for double clutch gearboxes, specifically includes two first position sensors, 41, two speed
42, two second position sensors 43 of sensor and temperature sensor 44 are spent, herein, " first " is with " second " for differentiation two
The different shape design of person.Certainly, sensor 4 can be other configurations mode, such as including velocity sensor, temperature sensing
One or more in device, position sensor and pressure sensor.
Bottom case 1 positioned at the second side (downside of Fig. 2) of printed circuit board (PCB) 2, can hold in the circumferential direction of printed circuit board (PCB) 2
Receive printed circuit board (PCB) 2, printed circuit board (PCB) 2 is fixed between substrate 3 and bottom case 1.Specifically, as shown in Fig. 2, bottom case 1 includes
Bottom wall 101 and formed side wall 102 is extended by the periphery of bottom wall 101, bottom wall 101 is surrounded by accommodation space with side wall 102
(not identified in figure), after mounting, printed circuit board (PCB) 2 and substrate 3 are respectively positioned in accommodation space.In the present embodiment, substrate 3,
Printed circuit board (PCB) 2 and 1 three of bottom case are fixed by riveting, and the multiple rivets 8 set on bottom case 1 are electric through bottom case 1, printing
Three is fixed together by road plate 2 and substrate 3.Certainly, the mode which can also be connected through a screw thread or be clamped is fixed.
In addition, printed circuit board (PCB) 2 is set with that can be separately provided both fixed screw, the pin of screw proximity sensor on substrate 3,
In this way, when printed circuit board (PCB) 2 and substrate 3 are deformed when being affected by temperature, the screw 6 can reduce because printed circuit board (PCB) 2 with
The influence that substrate 3 is deformed and brought to the welding point of the pin 405 of sensor 4.
Continue as shown in Fig. 2, be provided with electromagnetism interference module 7 (also reference can be made to Fig. 3) on printed circuit board (PCB) 2, the anti-electricity
Magnetic disturbance module 7 can be made of known multiple components, and accommodating chamber 103, electromagnetism interference module 7 are provided on bottom case 1
In accommodating chamber 103, it is provided between electromagnetism interference module 7 and accommodating chamber 103 for by electromagnetism interference module 7
The seal member 5 being isolated from the outside, so it is easy to understand that the sealing refers to that the liquid such as fluid and other media can not resist
Electromagnetic interference module 7 has an impact.This structure, electromagnetism interference module 7 are directly integrated in the detection device 100, effectively
Emi protection is realized to the detection device 100.Seal member 5 can be with the rubber seal of selected as strip, head and the tail phase
It connects, and is adapted to accommodating chamber 103, electromagnetism interference module 7 is effectively sealed.
The connector 9 being electrically connected with each sensor 4 is fixedly installed on substrate 3, which is fixed on by screw 6
On substrate 3.The connector 9, the interface being connected as the detection device 100 with other component.
Fig. 3 shows that the detection device 100 of the present invention removes the stereochemical structure after bottom case 1；Fig. 4 carries out the A portions in Fig. 3
Amplification represents, in addition, in order to which the technique effect that the structure to the present invention is obtained is described, establishes three-dimensional in Fig. 4
Coordinate system.
Referring to Fig. 3, Fig. 4, offer to form the hollow out of cantilever portion 201 in printed circuit board (PCB) 2 on printed circuit board (PCB) 2
202, pin 405 is through cantilever portion 201 and is welded and fixed.The benefit of this structure is, be subject to external forces when sensor 4 and
It generates along during Z-direction displacement shown in Fig. 4, the cantilever portion 201 itself can generate certain displacement, so as to avoid to drawing
The welding point of foot 405 generates rigid impact, and guarantee pin 405 is reliably connected with printed circuit board (PCB) 2.Shown in Fig. 3
It is that the quantity of cantilever portion 201 is multiple, and each pin 405 of sensor 4 is arranged in different cantilever portions 201, with reference to shown in Fig. 4,
The sensor 4 tool is provided with two cantilevers there are two pin 405 on printed circuit board (PCB) 2, which to be respectively arranged at
In each cantilever portion 201.It is of course also possible to use multiple pins 405 share a cantilever portion 201 mode, but respectively in use,
Pin 405 is more easily deformed, so as to preferably avoid damage welding point.It, can be in printed circuit to form cantilever portion 201
The hollow out 202 of U-shaped or V-arrangement, such as the hollow out 202 that can be regarded as two U-shapeds shown in Fig. 4 are set on plate 2, and the two is in
Between position overlap to form H-shaped in figure.It is easily understood that U-shaped or V-arrangement also include its respective similar shape.
Fig. 5 shows a type of sensor structure；Fig. 6 shows the decomposition texture of Fig. 5；Fig. 7 shows the side of Fig. 5
Face structure shows groove 406 and pin 405 by the way of partial cutaway；Fig. 8 is exaggerated table to the B portions in Fig. 7
Show；Fig. 9 shows that detection device 100 eliminates the side structure of bottom case 1；Figure 10 is exaggerated expression to the C portions in Fig. 9.
It is first position sensor 41 in Fig. 5-illustrated in fig. 8, but other sensors 4 can also use similar structures, sensor
Body 402 and 401 size of carrier are adjusted, and for temperature sensor, detection part needs to expose.
Referring to Fig. 5-Fig. 6, sensor 4 includes the carrier 401 of injection molding, is built in the sensor body of carrier 401
402 and carrier 401 and the lead 403 being electrically connected with sensor body 402 are built in, herein, " built-in " refers to sensor sheet
Body 402 and lead 403 are injection molding material and are wrapped up.The carrier 401 can also use other technological formings for substituting injection,
Such as 3D printing etc..Sensor body 402 is to realize the part of sensor detection function, it is wrapped up by carrier 401 here,
Certainly, sensor body 402 can also be separately provided, and printed circuit board (PCB) 2 is connected to directly through substrate 3, in fact, carrier
401 play the role of that sensor body 402 is supported and protected.Lead 403, can be lead frame, lead 403 by
The part that carrier 401 is extended out forms the pin 405 of sensor 4.As shown in fig. 6, carrier 401 include body part 4011 with
And cover portion 4012, the lead 403 for being configured to lead frame are built in body part 4011, sensor body 402 is electrically connected to
The one end of lead 403 away from printed circuit board (PCB) 2, cover portion 4012 are fixed on body part 4011 by Laser Welding or other modes
And sensor body 402 and lead 403 are sealed.Preferably, pass through resistance between sensor body 402 and lead 403
Weldering connection.
Referring to Fig. 7, carrier 401 has close to the bottom 404 of printed circuit board (PCB) 2.It surrounds and draws on the bottom 404 of carrier 401
Foot 405 opens up fluted 406, which causes the pin 405 of sensor 4 to have the longer part for not being wrapped injection,
This enables the X in Fig. 4 of sensor 4, the direction of Y-axis relatively easily to generate displacement, especially when sensor 4 be subject to it is outer
During power, this can also ensure not generate the welding point of pin 405 X, the rigid shock of Y-direction.In addition, around groove 406
Protruding portion 407 is formed, which can be embedded in substrate 3 when the sensor 4 is installed, as shown in Fig. 9,10.Carrier
401 bottom 404 is additionally provided with lead 408, which can play the role of guiding when installing sensor 4, should
Lead 408 can be arranged in substrate 3, printed circuit board (PCB) 2 and bottom case 1.
Referring to Fig. 8 and Fig. 5-Fig. 7 and Figure 10 is combined, the outer profile of the bottom 404 of carrier 401 is circular, bottom 404
There is nut 16 in intermediate position coating and injection moulding, the periphery of bottom 404 is circumferentially evenly arranged with several height phases
Same protrusion 409, such as be 8 shown in Fig. 5, the protrusion 409 is not small by the height that the bottom 404 of carrier 401 is extended
In the height that nut 16 is extended by the bottom 404 of carrier 401, screw 6 sequentially passes through printed circuit board (PCB) 2 and substrate 3 and will
First position sensor 41 is fixed.During coating and injection moulding nut 16, usual nut 16 can protrude from the bottom of carrier 401
404, otherwise, injected plastics material is easily partly coated on the bottom surface of nut 16, the flatness of 16 bottom surface of nut is influenced, so as to influence
The reliable contacts of nut 16 and substrate 3.But nut 16, which protrudes from, to be influenced to be caused by carrier 401, the carrier 401 of sensor
Bottom 404 can not with substrate 3 formed good contact, using be uniformly arranged on the periphery of the bottom of carrier 401 404 height it is identical
Protrusion 409 mode, then can well solve the problem so that carrier 401 is formed at least through protrusion 409 and substrate 3
Reliable contacts.In addition, when carrier 401 is subject to external force to act on, which can also play so that the work that carrier 401 balances
With.Herein, protrusion 409 can be with the injection molding together of carrier 401.In addition it is also possible on the bottom of carrier 401 404 directly
Internal thread is opened up without built-in nut, similarly, screw 6 sequentially pass through printed circuit board (PCB) 2 and substrate 3 and with sensor 4
It is threadedly coupled.
This detection device 100 of the present invention, it is particularly possible to suitable for adverse circumstances, for example there is vibrations, fluid splash,
In the environment of situations such as temperature change.The cantilever portion 201 that is set on printed circuit board (PCB) 2, sensor 4 carrier 401 bottom
The groove 406 that portion 404 is set can form the welding point of the pin 405 of sensor 4 and protect, it is avoided to be damaged by external force
It is bad.
Figure 11 shows a kind of schematic diagram of embodiment of the vehicle speed variation system of the present invention.
It is single including gearbox body 10, gearbox control the invention also discloses a kind of vehicle speed variation system referring to Figure 11
Member 11 and detection device 100, detection device 100 are only illustrated as elucidated before.
As shown in figure 11, gear 14 and hydraulic module 15 are provided in gearbox body 10, is contained in gearbox body 10
Fluid (represents) that detection device 100 is arranged in gearbox body 10 with wave in figure, gear box control unit 11 is arranged at change
Outside fast babinet 10, detection device 100 is electrically connected by connector 9 with gear box control unit 11.It is shown in figure to be, detection dress
The connector 9 for putting 100 passes through the first connecting portion part 12 and second connecting portion part 13 and the speed change outside gearbox body 10
Case control unit 11 is connected, and the first connecting portion part 12 and second connecting portion part 13 are the structure of both ends Belt connector, just
In grafting.The vehicle speed variation system of this structure, detection device 100, which is realized, to be integrated, and reduces wiring；Gear box control unit 11
It need not be arranged in gearbox body 10, reduce the requirement to high temperature resistant, corrosion-resistant and sealing etc., and not rapid wear
It is bad, extend service life.
Above example is only exemplary embodiment of the present invention, is not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can make the present invention respectively in the essence and protection domain of the present invention
Kind modification or equivalent substitution, this modification or equivalent substitution also should be regarded as being within the scope of the present invention.
Claims (13)
1. a kind of detection device, which is characterized in that including：
Printed circuit board (PCB)；
Substrate positioned at the first side of the printed circuit board (PCB), is provided with sensor on the substrate, the pin of the sensor is worn
It crosses the substrate and the printed circuit board (PCB) and is electrically connected with the printed circuit board (PCB)；And
Bottom case positioned at the second side of the printed circuit board (PCB), can accommodate the printed circuit board (PCB)；Wherein,
The printed circuit board (PCB) is fixed between the substrate and the bottom case, offered on the printed circuit board (PCB) for
The printed circuit board (PCB) forms the hollow out of cantilever portion, and the pin is through the cantilever portion and is welded and fixed.
2. detection device according to claim 1, which is characterized in that the quantity of the cantilever portion is each described to draw to be multiple
It wears arranged on the different cantilever portions.
3. detection device according to claim 1, which is characterized in that the shape of the hollow out is U-shaped or V-arrangement.
4. detection device according to claim 1, which is characterized in that the sensor include injection molding carrier,
It is built in the sensor body of the carrier and is built in the carrier and the lead being electrically connected with the sensor body, institute
Stating carrier has the bottom of the close printed circuit board (PCB), offers internal thread on the bottom, screw sequentially passes through the print
Printed circuit board and the substrate are simultaneously connected with the sensor threads.
5. detection device according to claim 4, which is characterized in that the outer profile of the bottom is circular, the bottom
There is nut positioned at intermediate position coating and injection moulding, the nut has the internal thread, and the periphery of the bottom is circumferentially square
To being evenly arranged with, several height are identical raised, and the height that the protrusion is extended by the bottom is not less than the nut
The height extended by the bottom.
6. detection device according to claim 4, which is characterized in that the carrier includes body part and cover portion, institute
It states lead to be built in the body part, the sensor body is electrically connected to one of the lead away from the printed circuit board (PCB)
End, the cover portion are fixed on the body part and by the sensor body and the lead-in wire sealing by Laser Welding.
7. detection device according to claim 1, which is characterized in that the sensor include carrier, be built in it is described
The sensor body of carrier and the carrier and the lead being electrically connected with the sensor body are built in, the carrier has
Close to the bottom of the printed circuit board (PCB), opened up on the bottom around the pin fluted.
8. detection device according to claim 1, which is characterized in that the substrate, printed circuit board (PCB) and bottom case three
It is fixed by the one or more for riveting, being threadedly coupled and be clamped.
9. detection device according to claim 1, which is characterized in that the sensor includes velocity sensor, temperature passes
One or more in sensor, position sensor and pressure sensor.
10. detection device according to claim 1, which is characterized in that anti-electromagnetism is provided on the printed circuit board (PCB) and is done
Module is disturbed, accommodating chamber is provided on the bottom case, the electromagnetism interference module is located in the accommodating chamber, the anti-electricity
The sealing for the electromagnetism interference module to be isolated from the outside is provided between magnetic disturbance module and the accommodating chamber
Part.
11. detection device according to claim 1, which is characterized in that be fixedly installed on the substrate and each biography
The connector of sensor electrical connection.
12. a kind of vehicle speed variation system, which is characterized in that including gearbox body, gear box control unit and as preceding right will
Seek 1-11 any one of them detection devices.
13. vehicle speed variation system according to claim 12, which is characterized in that the detection device is arranged at the babinet
Interior, the gear box control unit is arranged at outside the babinet, and the detection device passes through the connector and the gearbox
Control unit is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611066179.6A CN108120471A (en) | 2016-11-28 | 2016-11-28 | Detection device and vehicle speed variation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611066179.6A CN108120471A (en) | 2016-11-28 | 2016-11-28 | Detection device and vehicle speed variation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108120471A true CN108120471A (en) | 2018-06-05 |
Family
ID=62224529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611066179.6A Pending CN108120471A (en) | 2016-11-28 | 2016-11-28 | Detection device and vehicle speed variation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020192846A1 (en) * | 2019-03-27 | 2020-10-01 | First Sensor Mobility Gmbh | Sensor unit and hydraulic or pneumatic system using the sensor unit and use of the sensor unit |
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