CN206546435U - Range unit - Google Patents
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- CN206546435U CN206546435U CN201621442447.5U CN201621442447U CN206546435U CN 206546435 U CN206546435 U CN 206546435U CN 201621442447 U CN201621442447 U CN 201621442447U CN 206546435 U CN206546435 U CN 206546435U
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Abstract
The application provides a kind of range unit, the performance to improve range unit.In the application, range unit includes：For launching the transmitter of incident optical signal, the receiver for receiving reflected light signal and the flexible printed circuit board being connected between transmitter and transmitter；Wherein, receiver is additionally operable to calculate the distance between testee and transmitter according to reflected light signal and incident optical signal；Reflected light signal is that incident optical signal runs into the optical signal that testee is reflected back.Technical scheme, can avoid transmitter high temperature, noise, shake for producing etc. when launching optical signal from passing to receiver, the performance of influence range unit by flexible printed circuit board.
Description
Technical field
The application is related to wireless distance finding technical field, more particularly to a kind of range unit.
Background technology
TOF (Time of Flight, flight time) ranging technology based on phase-detection to testee by launching
Sinusoidal optical signal, detects the phase difference between the sinusoidal optical signal reflected through testee and the sinusoidal optical signal of transmitting,
To calculate the distance between distance means and testee.
In correlation technique, TOF ranging technologies are toward following two trend developments：On the one hand, gradually it is used in movement
On the compact apparatus such as terminal；On the other hand, to detection range and angle requirement also more and more higher.The two development trends cause
TOF distance means are increasing to the power requirement at optical signal launch end.And if TOF distance means use high-power light
Source drives, then TOF distance means can be produced with a series of problems, such as high temperature, noise, shake, so as to influence TOF range units
Performance.
Utility model content
In view of this, the embodiment of the present application provides a kind of range unit, the performance to improve range unit.
The application section Example provides a kind of range unit, including：For launching the transmitter of incident optical signal, using
In the flexible printed circuit board for receiving the receiver of reflected light signal and being connected between the transmitter and the transmitter；
Wherein,
The receiver, be additionally operable to according to the reflected light signal and the incident optical signal calculate testee with
The distance between described transmitter；The reflected light signal runs into the testee for the incident optical signal and is reflected back
Optical signal.
In one embodiment of the application, the transmitter may include first substrate and on the first substrate
Be used for launch the transmitting chip of the incident optical signal；The receiver may include second substrate, positioned at the second substrate
On be used for receive the reception chip of the reflected light signal；The flexible printed circuit board is connected to the first substrate and institute
State between second substrate；Wherein,
The reception chip, it may also be used for the quilt is calculated according to the reflected light signal and the incident optical signal
The distance between object and described transmitting chip are surveyed, the distance between the testee and described transmitter is used as.
In one embodiment of the application, the transmitter can be discrete device.
It can be integrated with one embodiment of the application, in the flexible printed circuit board for connecting the receiver
With the signal control line of the transmitter；The signal control line is used to transmit from the receiver to the transmitter for controlling
Make the control signal of the transmitter work.
In one embodiment of the application, the transmitter may include first of the temperature for detecting the transmitter
Temperature sensing circuit；
When the temperature of the transmitter is more than the first predetermined threshold value, the transmitter is stopped.
In one embodiment of the application, first temperature sensing circuit may include for by the temperature of the transmitter
Spend the first change-over circuit for being converted to the first electric current, the first resistor and one being connected between first change-over circuit and ground
End is connected to first change-over circuit and the node of the first resistor, and the other end is connected to the first quantization of the transmitter
Device；
First quantizer, available for the first voltage gathered at the node, and will be according to the first voltage amount
Change the first temperature value drawn to export to the transmitter；The value of the first voltage be equal to first electric current value with it is described
The product of the value of first resistor；
When first temperature value is more than first predetermined threshold value, the transmitter is stopped.
In one embodiment of the application, the transmitter may include second of the temperature for detecting the transmitter
Temperature sensing circuit and the first alarm for being alarmed when the temperature of the transmitter is more than the second predetermined threshold value.
In one embodiment of the application, second temperature detection circuit may include for by the temperature of the transmitter
Spend the second change-over circuit for being converted to the second electric current, the second resistance and one being connected between second change-over circuit and ground
End is connected to second change-over circuit and the node of the second resistance, and the other end is connected to the second of first alarm
Quantizer；
Second quantizer, for gathering the second voltage at the node, and will quantify according to the second voltage
The second temperature value drawn is exported to first alarm；The value of the second voltage is equal to value and the institute of second electric current
State the product of the value of second resistance；
When the second temperature value is more than second predetermined threshold value, first alarm is alarmed.
In one embodiment of the application, the receiver may include the 3rd of the temperature for detecting the receiver
Temperature sensing circuit；
When the temperature of the receiver is more than three predetermined threshold values, the receiver is stopped.
In one embodiment of the application, the 3rd temperature sensing circuit may include for by the temperature of the receiver
Spend the 3rd change-over circuit for being converted to the 3rd electric current, the 3rd resistor and one being connected between the 3rd change-over circuit and ground
End is connected to the 3rd change-over circuit and the node of the 3rd resistor, and the other end is connected to the 3rd quantization of the receiver
Device；
3rd quantizer, for gathering the tertiary voltage at the node, and will quantify according to the tertiary voltage
The 3rd temperature value drawn is exported to the receiver；The value of the tertiary voltage is equal to the value and described the of the 3rd electric current
The product of the value of three resistance；
When the 3rd temperature value is more than three predetermined threshold value, the receiver is stopped.
In one embodiment of the application, the receiver may include the 4th of the temperature for detecting the receiver
Temperature sensing circuit and the second alarm for being alarmed when the temperature of the receiver is more than four predetermined threshold values.
In one embodiment of the application, the 4th temperature sensing circuit may include for by the temperature of the receiver
Spend the 4th change-over circuit for being converted to the 4th electric current, the 4th resistance and one being connected between the 4th change-over circuit and ground
End is connected to the node of the 4th change-over circuit and the 4th resistance, and the other end is connected to the 4th of second alarm
Quantizer；
4th quantizer, for gathering the 4th voltage at the node, and will be according to the 4th voltage quantization
The 4th temperature value drawn is exported to second alarm；The value of 4th voltage is equal to value and the institute of the 4th electric current
State the product of the value of the 4th resistance；
When the 4th temperature value is more than four predetermined threshold value, second alarm is alarmed.
The major technique effect that the embodiment of the present application is reached is：By by for launch the transmitter of incident optical signal with
Receiver for receiving reflected light signal is separately positioned, and is electrically connected with using flexible printed circuit board, so, even if
Increase the power of the light source driving circuit of transmitter, high temperature, noise, shake for producing etc. be not yet when launching optical signal for transmitter
Receiver can be passed to by flexible printed circuit board, the performance of range unit is influenceed.So, technical scheme can be avoided
High temperature, noise, shake that transmitter is produced when launching optical signal etc. passes to receiver by flexible printed circuit board, and influence is surveyed
Performance away from device.
Brief description of the drawings
Fig. 1 is a kind of structural representation of range unit shown in the embodiment of the present application one；
Fig. 2 is a kind of structural representation for range unit that the embodiment of the present application one is illustrated；
Fig. 3 is the structural representation of the first temperature sensing circuit shown in the embodiment of the present application one；
Fig. 4 is the structural representation of the 3rd temperature sensing circuit shown in the embodiment of the present application one；
Fig. 5 is the structural representation of the second temperature detection circuit shown in the embodiment of the present application two；
Fig. 6 is the structural representation of the 4th temperature sensing circuit shown in the embodiment of the present application two.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they are only and such as appended right
The example of the consistent apparatus and method of some aspects be described in detail in claim, the application.
It is the purpose only merely for description specific embodiment in term used in this application, and is not intended to be limiting the application.
" one kind ", " described " and "the" of singulative used in the application and appended claims are also intended to including majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wrapped
It may be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used for same type of information being distinguished from each other out.For example, not departing from
In the case of the application scope, the first information can also be referred to as the second information, similarly, and the second information can also be referred to as
One information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining ".
Below in conjunction with the accompanying drawings, some embodiments of the present application are elaborated.In the case where not conflicting, following realities
Applying the feature in example and embodiment can be mutually combined.
Embodiment one
Referring to Fig. 1, the range unit that embodiments herein one is provided, including：Hair for launching incident optical signal
Emitter 11, the receiver 12 for receiving reflected light signal and the flexible print circuit being connected between transmitter and transmitter
Plate 13；Wherein, receiver 12 be additionally operable to according to reflected light signal and incident optical signal calculate testee and transmitter it
Between distance；Reflected light signal is that incident optical signal runs into the optical signal that testee is reflected back.
Referring to Fig. 2, in the present embodiment, transmitter 11 includes first substrate 111 and on first substrate 111
Transmitting chip 112 for launching incident optical signal；Receiver 12 includes second substrate 121, the use on second substrate 121
In the reception chip 122 for receiving reflected light signal；The plate of flexible print circuit 13 be connected to first substrate 111 and second substrate it
Between；Wherein, chip 122 is received to be additionally operable to calculate testee and transmitting chip according to reflected light signal and incident optical signal
The distance between 112, it is used as the distance between testee and transmitter 11.
Referring to Fig. 2, in the present embodiment, being integrated with flexible printed circuit board 13 for connecting receiver 12 and hair
The signal control line 131 of emitter 11；Signal control line 131 is used to transmit from receiver 12 to transmitter 11 for controlling transmitting
The control signal that device 11 works.
In the present embodiment, transmitter 11 also includes being used to detect the first temperature sensing circuit of the temperature of transmitter 11；
When the temperature of transmitter 11 is more than the first predetermined threshold value, transmitter 11 is stopped, it is to avoid because high temperature burns transmitter 11.
In one embodiment of the application, the first predetermined threshold value can be 70 degrees Celsius.
Referring to Fig. 3, in the present embodiment, the first temperature sensing circuit is included for being by the temperature transition of transmitter 11
First change-over circuit 31 of the first electric current, the first resistor 33 being connected between the first change-over circuit 31 and ground and one end connection
In the first change-over circuit 31 and the node of first resistor 33, the other end is connected to the first quantizer 32 of transmitter 11；First amount
Changing device 32 is used to gathering first voltage at above-mentioned node, and by the first temperature value for quantifying to draw according to first voltage export to
Transmitter 11；The value of first voltage is equal to the product of the value of the first electric current and the value of first resistor；It is more than the in the first temperature value
During one predetermined threshold value, transmitter 11 is stopped.
In the present embodiment, receiver 12 includes being used to detect the 3rd temperature sensing circuit of the temperature of receiver 12；
When the temperature of receiver 12 is more than three predetermined threshold values, receiver 12 is stopped, it is to avoid because high temperature burns transmitter 12.At this
In one embodiment of application, the 3rd predetermined threshold value can be 70 degrees Celsius.
Referring to Fig. 4, in the present embodiment, the 3rd temperature sensing circuit is included for being by the temperature transition of receiver 12
3rd change-over circuit 41 of the 3rd electric current, the 3rd resistor 43 being connected between the 3rd change-over circuit and ground and one end are connected to
3rd change-over circuit 41 and the node of 3rd resistor 43, the other end are connected to the 3rd quantizer 42 of receiver 12；3rd quantifies
Device 42 is used to gathering tertiary voltage at above-mentioned node, and the 3rd temperature value for quantifying to draw according to tertiary voltage is exported to connecing
Receive device 12；Wherein the value of tertiary voltage is equal to the product of the value of the 3rd electric current and the value of 3rd resistor；It is more than in the 3rd temperature value
During three predetermined threshold values, receiver 12 is stopped.
The major technique effect that the present embodiment is reached is：By by the transmitter for launching incident optical signal with being used for
The receiver for receiving reflected light signal is separately positioned, and is electrically connected with using flexible printed circuit board, so, even if increase
The power of the light source driving circuit of transmitter, transmitter high temperature, noise, shake for producing etc. when launching optical signal will not also lead to
Cross flexible printed circuit board and pass to receiver, influence the performance of range unit.So, technical scheme can avoid transmitting
High temperature, noise, shake that device is produced when launching optical signal etc. passes to receiver, influence ranging dress by flexible printed circuit board
The performance put.
Embodiment two
Embodiments herein two provides a kind of range unit.Embodiment two is roughly the same with embodiment one, main region
It is not：In embodiment one, when the temperature of transmitter, receiver is respectively greater than respective predetermined threshold value, transmitter, receiver
It can be stopped, it is to avoid because high temperature burns range unit；And in embodiment two, it is big in the temperature difference of transmitter, receiver
It when respective predetermined threshold value, can be alarmed, point out user to carry out respective handling, it is to avoid rich because high temperature burns range unit
Rich embodiments herein.
Referring to Fig. 5, transmitter 11 include be used for detect transmitter 11 temperature second temperature detection circuit 51 and
For the first alarm 52 alarmed when the temperature of transmitter 11 is more than the second predetermined threshold value.
Second temperature detection circuit 51 includes being used for the second conversion electricity for the second electric current by the temperature transition of transmitter 11
Road 511, the second resistance 512 being connected between the second change-over circuit 511 and ground and one end are connected to the second change-over circuit 511
With the node of second resistance 512, the other end is connected to the second quantizer 513 of the first alarm 52；Second quantizer 513 is used for
Second voltage at acquisition node, and the second temperature value for quantifying to draw according to second voltage is exported to the first alarm 52；
The value of second voltage is equal to the product of the value of the second electric current and the value of second resistance；It is more than the second predetermined threshold value in second temperature value
When, the first alarm 11 is alarmed, and points out user to carry out respective handling, it is to avoid because high temperature burns transmitter 11.
In the present embodiment, transmitter 11 can also be discrete device.In one embodiment of the application, transmitter 11
Can also be multiple, wherein, a part of transmitter 11 is discrete device, and another part transmitter 11 is integrated shown in Fig. 2
Circuit, including first substrate 111 and the transmitting chip 112 positioned at the first substrate 111.
Referring to Fig. 6, receiver 12 include be used for detect receiver 12 temperature the 4th temperature sensing circuit 61 and
For the second alarm 62 alarmed when the temperature of receiver 12 is more than four predetermined threshold values.
4th temperature sensing circuit 61 includes being used for the 4th conversion electricity for the 4th electric current by the temperature transition of receiver 12
Road 611, the 4th resistance 612 being connected between the 4th change-over circuit 611 and ground and one end are connected to the 4th change-over circuit 611
With the node of the 4th resistance 612, the other end is connected to the 4th quantizer 613 of the second alarm 62；4th quantizer 613 is used for
The 4th voltage at above-mentioned node is gathered, and the 4th temperature value drawn according to the 4th voltage quantization is exported to the second alarm
62；The value of 4th voltage is equal to the product of the value of the 4th electric current and the value of the 4th resistance；It is more than the 4th in the 4th temperature value to preset
During threshold value, the second alarm 62 is alarmed, and points out user to carry out respective handling, it is to avoid because high temperature burns receiver 12.
The major technique effect that the present embodiment is reached is：By by the transmitter for launching incident optical signal with being used for
The receiver for receiving reflected light signal is separately positioned, and is electrically connected with using flexible printed circuit board, so, even if increase
The power of the light source driving circuit of transmitter, transmitter high temperature, noise, shake for producing etc. when launching optical signal will not also lead to
Cross flexible printed circuit board and pass to receiver, influence the performance of range unit.So, technical scheme can avoid transmitting
High temperature, noise, shake that device is produced when launching optical signal etc. passes to receiver, influence ranging dress by flexible printed circuit board
The performance put.Moreover, when the temperature of transmitter, receiver is respectively greater than respective predetermined threshold value, can be alarmed, point out to use
Family carries out respective handling, it is to avoid because high temperature burns range unit, enrich embodiments herein.
Device embodiment described above is only schematical, wherein the unit illustrated as separating component can be
Or may not be physically separate, the part shown as unit can be or may not be physical location, i.e.,
A place can be located at, or can also be distributed on multiple NEs.It can select therein according to the actual needs
Some or all of module realizes the purpose of application scheme.Those of ordinary skill in the art are not paying creative work
In the case of, you can to understand and implement.
These are only the preferred embodiment of the application, not to limit the application, it is all in spirit herein and
Within principle, any modification, equivalent substitution and improvements done etc. should be included within the scope of the application protection.
Claims (11)
1. a kind of range unit, it is characterised in that including：For launching the transmitter of incident optical signal, for receiving reflected light
The receiver of signal and the flexible printed circuit board being connected between the transmitter and the transmitter；Wherein,
The receiver, be additionally operable to according to the reflected light signal and the incident optical signal calculate testee with it is described
The distance between transmitter；The reflected light signal is that the incident optical signal runs into the light that the testee is reflected back
Signal；Wherein,
The transmitter includes first substrate and being used on the first substrate launches the hair of the incident optical signal
Core shooting piece；The receiver includes second substrate, being used on the second substrate and receives connecing for the reflected light signal
Receive chip；The flexible printed circuit board is connected between the first substrate and the second substrate；Wherein,
The reception chip, is additionally operable to calculate the testee according to the reflected light signal and the incident optical signal
The distance between with the transmitting chip, the distance between the testee and described transmitter are used as.
2. range unit according to claim 1, it is characterised in that the transmitter is discrete device.
3. range unit according to claim 1, it is characterised in that be integrated with the flexible printed circuit board for connecting
Connect the signal control line of the receiver and the transmitter；The signal control line is used for from the receiver to the transmitting
Device transmits the control signal for controlling the transmitter work.
4. range unit according to claim 1, it is characterised in that the transmitter includes being used to detect the transmitter
Temperature the first temperature sensing circuit；
When the temperature of the transmitter is more than the first predetermined threshold value, the transmitter is stopped.
5. range unit according to claim 4, it is characterised in that first temperature sensing circuit includes being used for institute
State the temperature transition of transmitter for the first electric current the first change-over circuit, be connected between first change-over circuit and ground the
One resistance and one end are connected to the node of first change-over circuit and the first resistor, and the other end is connected to the transmitting
First quantizer of device；
First quantizer, for gathering the first voltage at the node, and will quantify to draw according to the first voltage
The first temperature value export to the transmitter；The value of the first voltage is equal to the value and the described first electricity of first electric current
The product of the value of resistance；
When first temperature value is more than first predetermined threshold value, the transmitter is stopped.
6. range unit according to claim 1, it is characterised in that the transmitter includes being used to detect the transmitter
Temperature second temperature detection circuit and for the transmitter temperature be more than the second predetermined threshold value when alarmed
The first alarm.
7. range unit according to claim 6, it is characterised in that the second temperature detection circuit includes being used for institute
State the temperature transition of transmitter for the second electric current the second change-over circuit, be connected between second change-over circuit and ground the
Two resistance and one end are connected to the node of second change-over circuit and the second resistance, and the other end is connected to described first
Second quantizer of alarm；
Second quantizer, for gathering the second voltage at the node, and will quantify to draw according to the second voltage
Second temperature value export to first alarm；The value of the second voltage is equal to the value and described the of second electric current
The product of the value of two resistance；
When the second temperature value is more than second predetermined threshold value, first alarm is alarmed.
8. range unit according to claim 1, it is characterised in that the receiver includes being used to detect the receiver
Temperature the 3rd temperature sensing circuit；
When the temperature of the receiver is more than three predetermined threshold values, the receiver is stopped.
9. range unit according to claim 8, it is characterised in that the 3rd temperature sensing circuit includes being used for institute
State the temperature transition of receiver for the 3rd electric current the 3rd change-over circuit, be connected between the 3rd change-over circuit and ground the
Three resistance and one end are connected to the node of the 3rd change-over circuit and the 3rd resistor, and the other end is connected to the reception
3rd quantizer of device；
3rd quantizer, for gathering the tertiary voltage at the node, and will quantify to draw according to the tertiary voltage
The 3rd temperature value export to the receiver；The value of the tertiary voltage is equal to the value and the described 3rd electricity of the 3rd electric current
The product of the value of resistance；
When the 3rd temperature value is more than three predetermined threshold value, the receiver is stopped.
10. range unit according to claim 1, it is characterised in that the receiver includes being used to detect the reception
4th temperature sensing circuit of the temperature of device and for the receiver temperature be more than four predetermined threshold values when reported
The second alert alarm.
11. range unit according to claim 10, it is characterised in that the 4th temperature sensing circuit includes being used to incite somebody to action
The temperature transition of the receiver is the 4th change-over circuit of the 4th electric current, is connected between the 4th change-over circuit and ground
4th resistance and one end are connected to the node of the 4th change-over circuit and the 4th resistance, and the other end is connected to described
4th quantizer of two alarms；
4th quantizer, for gathering the 4th voltage at the node, and will draw according to the 4th voltage quantization
The 4th temperature value export to second alarm；The value of 4th voltage is equal to the value and described the of the 4th electric current
The product of the value of four resistance；
When the 4th temperature value is more than four predetermined threshold value, second alarm is alarmed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621442447.5U CN206546435U (en) | 2016-12-26 | 2016-12-26 | Range unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621442447.5U CN206546435U (en) | 2016-12-26 | 2016-12-26 | Range unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206546435U true CN206546435U (en) | 2017-10-10 |
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ID=59992295
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621442447.5U Active CN206546435U (en) | 2016-12-26 | 2016-12-26 | Range unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042839A1 (en) * | 2018-08-27 | 2020-03-05 | 宁波舜宇光电信息有限公司 | Electronic device having floodlight and assembly method therefor |
-
2016
- 2016-12-26 CN CN201621442447.5U patent/CN206546435U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042839A1 (en) * | 2018-08-27 | 2020-03-05 | 宁波舜宇光电信息有限公司 | Electronic device having floodlight and assembly method therefor |
| CN110868507A (en) * | 2018-08-27 | 2020-03-06 | 宁波舜宇光电信息有限公司 | Electronic device with floodlight and assembling method thereof |
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Address after: 214135 5th floor, building 200-5, Linghu Avenue, Xinwu District, Wuxi City, Jiangsu Province Patentee after: EPCO Microelectronics (Jiangsu) Co., Ltd Address before: 201203 rooms 1111 and 1112, No. 1, Lane 2277, Zuchongzhi Road, Shanghai pilot Free Trade Zone Patentee before: EPTICORE MICROELECTRONICS (SHANGHAI) Co.,Ltd. |