CN109921815A - Whether a kind of Vehicular intercom hand-held microphone is put into identification device and the recognition methods of hanger - Google Patents
Whether a kind of Vehicular intercom hand-held microphone is put into identification device and the recognition methods of hanger Download PDFInfo
- Publication number
- CN109921815A CN109921815A CN201910234789.XA CN201910234789A CN109921815A CN 109921815 A CN109921815 A CN 109921815A CN 201910234789 A CN201910234789 A CN 201910234789A CN 109921815 A CN109921815 A CN 109921815A
- Authority
- CN
- China
- Prior art keywords
- filter capacitor
- radio station
- vehicle radio
- hand
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000003990 capacitor Substances 0.000 claims abstract description 64
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims description 7
- 238000011897 real-time detection Methods 0.000 claims description 3
- 235000014676 Phragmites communis Nutrition 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The present invention provides identification device and recognition methods that whether a kind of Vehicular intercom hand-held microphone is put into hanger, wherein, one end of first filter capacitor and the pin of voltage stabilizing chip are connect by the pin of socket connector with the VCC of vehicle radio station CPU mouth, the pin of voltage stabilizing chip is separately connected one end of the 4th filter capacitor and one end of biasing resistor, the other end of biasing resistor, one end of tongue tube, one end of third filter capacitor is connect by the pin of socket connector with the GPIO of vehicle radio station CPU mouth, the other end of tongue tube is grounded, the GND mouth of the pin connection vehicle radio station CPU of socket connector is simultaneously grounded, one end of second filter capacitor is connect by the pin of socket connector with the PTT of vehicle radio station CPU mouth.Present invention realization hand-held microphone is put into hanging buckle and the two states cost of taking-up hanging buckle is lower, highly reliable, and component can prevent electrostatic from burning out cpu chip inside hand-held microphone.
Description
Technical field
The present invention relates to intercom technical fields, specifically, whether be related to a kind of Vehicular intercom hand-held microphone is put into hanger
Identification device and its recognition methods.
Background technique
When Vehicular intercom hand-held microphone is put into metal hanging rack at present, hand-held microphone grounding elastic slice is connect with hand-held microphone hanging buckle detection foot, this
When determine hand-held microphone and be put into hanging buckle, vehicle radio station enters a kind of operating mode.Otherwise Vehicular intercom hand-held microphone leaves metal hanging rack
When, hand-held microphone grounding elastic slice and hand-held microphone hanging buckle detection foot disconnect, and vehicle radio station enters another operating mode.And this mode hand-held microphone
Being put into hanging buckle detection needs spring, grounding elastic slice, the movement of hanger mechanical device to complete detection, mechanical device manufacturing cost height, peace
Dress is complicated, and vibration big spring and grounding elastic slice poor contact cause detection to judge by accident when vehicle driving.
Summary of the invention
In place of solving above-mentioned the deficiencies in the prior art, the purpose of the present invention is to provide a kind of Vehicular intercom hand-held microphones
Whether identification device and its recognition methods of hanger is put into, to overcome defect in the prior art.
To achieve the goals above, the present invention provides the identification dresses whether a kind of Vehicular intercom hand-held microphone is put into hanger
It sets, the identification device includes socket connector, tongue tube, voltage stabilizing chip, biasing resistor, the first filter capacitor, the second filtering
Capacitor, third filter capacitor and the 4th filter capacitor；Wherein, the pin IN of one end of the first filter capacitor and voltage stabilizing chip passes through
The pin 1 of socket connector is connect with the VCC of vehicle radio station CPU mouth, the other end ground connection of the first filter capacitor, voltage stabilizing chip
Pin GND ground connection, the pin OUT of voltage stabilizing chip are separately connected one end of the 4th filter capacitor and one end of biasing resistor, and the 4th
The other end of filter capacitor is grounded, the other end of biasing resistor, one end of tongue tube, third filter capacitor one end pass through socket
The pin 3 of connector is connect with the GPIO of vehicle radio station CPU mouth, the other end of tongue tube ground connection, third filter capacitor it is another
End ground connection, the pin 4 of socket connector connect the GND mouth of vehicle radio station CPU and are grounded, and one end of the second filter capacitor is by inserting
The pin 5 of base connector is connect with the PTT of vehicle radio station CPU mouth, the other end ground connection of the second filter capacitor.
As the further explanation to identification device of the present invention, it is preferable that voltage stabilizing chip is for exporting 5V direct current
Voltage.
As the further explanation to identification device of the present invention, it is preferable that the first filter capacitor and the 4th filtering
Capacitor is for filtering out interference signal on power supply.
As the further explanation to identification device of the present invention, it is preferable that biasing resistor for tongue tube for mentioning
For 5V bias voltage.
In order to realize another object of the present invention, the present invention provides a kind of identification sides using the identification device
Method, the recognition methods include the following steps: step S1): vehicle radio station CPU is according to the electricity of the third filter capacitor of real-time detection
Whether pressure value identification vehicle radio station hand-held microphone is put into hand-held microphone hanging buckle；Wherein, the voltage value of third filter capacitor C3 is VC3=5V/ (R4+
SW1) * SW1, R4 are the resistance value of biasing resistor, and unit Ω, SW1 are the resistance value of tongue tube, unit Ω；Step S2): it is vehicle-mounted
Radio station CPU detects that third both ends of filter capacitor voltage is 0V, then tongue tube internal switch is in closed state, vehicle radio station hand
Miaow has been put on hand-held microphone hanging buckle；And step S3): vehicle radio station CPU detects that third both ends of filter capacitor voltage is 5V, then
Tongue tube internal switch is in an off state, and vehicle radio station hand-held microphone leaves hand-held microphone hanging buckle.
The beneficial effects of the present invention are: the present invention realizes that hand-held microphone is put into hanging buckle and takes out the two states cost of hanging buckle more
Low, highly reliable, component can prevent electrostatic from burning out cpu chip inside hand-held microphone.
Detailed description of the invention
Fig. 1 is the circuit diagram for the identification device whether Vehicular intercom hand-held microphone of the invention is put into hanger；
Fig. 2 is the circuit of the one embodiment for the identification device whether Vehicular intercom hand-held microphone of the invention is put into hanger
Figure.
Specific embodiment
It is attached now in conjunction with appended preferred embodiment in order to further appreciate that structure of the invention, feature and other purposes
With attached drawing, detailed description are as follows, this attached drawing embodiment described is only used to illustrate the technical scheme of the present invention, and non-limiting
Invention.
As shown in FIG. 1, FIG. 1 is the circuit theories whether Vehicular intercom hand-held microphone of the invention is put into the identification device of hanger
Figure；The identification device includes socket connector CN1, tongue tube SW1, voltage stabilizing chip U1, biasing resistor R4, the first filter capacitor
C1, the second filter capacitor C2, third filter capacitor C3 and the 4th filter capacitor C4；Wherein, one end of the first filter capacitor C1 and
The pin IN of voltage stabilizing chip U1 is connect by the pin 1 of socket connector CN1 with the VCC of vehicle radio station CPU mouth, the first filtered electrical
Hold the other end ground connection of C1, the pin GND ground connection of voltage stabilizing chip U1, the pin OUT of voltage stabilizing chip U1 is separately connected the 4th filtering
One end of capacitor C4 and one end of biasing resistor R4, the other end ground connection of the 4th filter capacitor C4, the other end of biasing resistor R4,
One end of tongue tube SW1, one end of third filter capacitor C3 pass through the pin 3 and vehicle radio station CPU's of socket connector CN1
GPIO mouthfuls of connections, the other end ground connection of tongue tube SW1, the other end ground connection of third filter capacitor C3, socket connector CN1's draws
Foot 4 connects the GND mouth of vehicle radio station CPU and is grounded, and one end of the second filter capacitor C2 passes through the pin 5 of socket connector CN1
It is connect with the PTT of vehicle radio station CPU mouth, the other end ground connection of the second filter capacitor C2.Wherein, voltage stabilizing chip U1 is for exporting 5V
For filtering out interference signal on power supply, biasing resistor R4 is used for by DC voltage, the first filter capacitor C1 and the 4th filter capacitor C4
5V bias voltage is provided for tongue tube SW1.Identification device of the invention can realize that hand-held microphone is put into two kinds of hanging buckle and taking-up hanging buckle
The identification of state, and cost is lower, highly reliable, and component can prevent electrostatic from burning out cpu chip inside hand-held microphone.
In addition, including as follows using the recognition methods whether above-mentioned identification device identification Vehicular intercom hand-held microphone is put into hanger
Step.
Step S1): vehicle radio station CPU identifies vehicle radio station hand according to the voltage value of the third filter capacitor C3 of real-time detection
Whether miaow is put into hand-held microphone hanging buckle.Wherein, the voltage value of third filter capacitor C3 is VC3=5V/ (R4+SW1) * SW1, R4 are biasing
The resistance value of resistance, unit Ω, SW1 are the resistance value of tongue tube, unit Ω.
Step S2): vehicle radio station CPU detects that third filter capacitor C3 both end voltage is 0V, then opens inside tongue tube SW1
It closes and is in closed state, tongue tube SW1 both ends resistance value is 0 Ω, and the voltage value of third filter capacitor C3 is VC3=5V/ (R4+
SW1) * SW1=0V, i.e., when vehicle radio station hand-held microphone is put into hanging buckle, tongue tube SW1 senses magnetic field, and vehicle radio station CPU then can be true
Determine vehicle radio station hand-held microphone to be put on hand-held microphone hanging buckle.
Step S3): vehicle radio station CPU detects that third filter capacitor C3 both end voltage is 5V, then opens inside tongue tube SW1
Pass is in an off state, and tongue tube SW1 both ends resistance value is ∞ Ω, and the voltage value of third filter capacitor C3 is VC3=5V/ (R4+
SW1) * SW1=5V, i.e., lose magnetic field when vehicle radio station hand-held microphone leaves hanging buckle around tongue tube SW1, vehicle radio station CPU then may be used
Determine that vehicle radio station hand-held microphone leaves hand-held microphone hanging buckle.
Fig. 2 is please referred to, Fig. 2 is an implementation of the identification device whether Vehicular intercom hand-held microphone of the invention is put into hanger
The circuit diagram of example；Wherein, the model ORD231 of voltage stabilizing chip U1 the model 78L05, tongue tube SW1 of selection, biasing resistor
R4 size is 10K, and the first filter capacitor C1 size is 1 μ F, and third filter capacitor C3 size is 1nF, and the 4th filter capacitor C4 is big
Small is 22 μ F, and when vehicle radio station hand-held microphone is put into hand-held microphone hanging buckle, vehicle radio station CPU detects third filter capacitor C3 both end voltage
For 0V, when vehicle radio station hand-held microphone leaves hand-held microphone hanging buckle, vehicle radio station CPU detects that third filter capacitor C3 both end voltage is
5V, therefore, identification device of the invention can realize that hand-held microphone is put into hanging buckle and takes out the identification of the two states of hanging buckle, and cost
Lower, highly reliable, component can prevent electrostatic from burning out cpu chip inside hand-held microphone.
It is to be understood that foregoing invention content and specific embodiment are intended to prove technical solution provided by the present invention
Practical application should not be construed as limiting the scope of the present invention.Those skilled in the art are in spirit and principles of the present invention
It is interior, when can various modifications may be made, equivalent replacement or improvement.Protection scope of the present invention is subject to the appended claims.
Claims (5)
1. the identification device whether a kind of Vehicular intercom hand-held microphone is put into hanger, which is characterized in that the identification device includes inserting
Base connector (CN1), tongue tube (SW1), voltage stabilizing chip (U1), biasing resistor (R4), the first filter capacitor (C1), the second filtering
Capacitor (C2), third filter capacitor (C3) and the 4th filter capacitor (C4)；Wherein,
One end of first filter capacitor (C1) and the pin (IN) of voltage stabilizing chip (U1) pass through the pin of socket connector (CN1)
(1) it is connect with the VCC of vehicle radio station CPU mouth, the other end ground connection of the first filter capacitor (C1), the pin of voltage stabilizing chip (U1)
(GND) it is grounded, the pin (OUT) of voltage stabilizing chip (U1) is separately connected one end and the biasing resistor (R4) of the 4th filter capacitor (C4)
One end, the other end ground connection of the 4th filter capacitor (C4), the other end of biasing resistor (R4), one end of tongue tube (SW1), the
One end of three filter capacitors (C3) is connect by the pin (3) of socket connector (CN1) with the GPIO of vehicle radio station CPU mouth, is done
The other end of reed pipe (SW1) is grounded, and the other end ground connection of third filter capacitor (C3), the pin (4) of socket connector (CN1) is even
It connects the GND mouth of vehicle radio station CPU and is grounded, one end of the second filter capacitor (C2) passes through the pin (5) of socket connector (CN1)
It is connect with the PTT of vehicle radio station CPU mouth, the other end ground connection of the second filter capacitor (C2).
2. identification device as described in claim 1, which is characterized in that voltage stabilizing chip (U1) is for exporting 5V DC voltage.
3. identification device as described in claim 1, which is characterized in that the first filter capacitor (C1) and the 4th filter capacitor (C4)
For filtering out interference signal on power supply.
4. identification device as described in claim 1, which is characterized in that biasing resistor (R4) is used to provide for tongue tube (SW1)
5V bias voltage.
5. a kind of recognition methods using the identification device as described in claim 1-4 is any, which is characterized in that the identification side
Method includes the following steps:
Step S1): vehicle radio station CPU identifies vehicle radio station hand-held microphone according to the voltage value of the third filter capacitor (C3) of real-time detection
Whether hand-held microphone hanging buckle is put into；Wherein, the voltage value of third filter capacitor C3 is VC3=5V/ (R4+SW1) * SW1, R4 are biased electrical
The resistance value of resistance, unit Ω, SW1 are the resistance value of tongue tube, unit Ω；
Step S2): vehicle radio station CPU detects that third filter capacitor (C3) both end voltage is 0V, then opens inside tongue tube (SW1)
It closes and is in closed state, vehicle radio station hand-held microphone has been put on hand-held microphone hanging buckle；And
Step S3): vehicle radio station CPU detects that third filter capacitor (C3) both end voltage is 5V, then opens inside tongue tube (SW1)
Pass is in an off state, and vehicle radio station hand-held microphone leaves hand-held microphone hanging buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234789.XA CN109921815B (en) | 2019-03-26 | 2019-03-26 | Recognition device and recognition method for whether vehicle-mounted interphone hand microphone is placed into hanging rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234789.XA CN109921815B (en) | 2019-03-26 | 2019-03-26 | Recognition device and recognition method for whether vehicle-mounted interphone hand microphone is placed into hanging rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109921815A true CN109921815A (en) | 2019-06-21 |
| CN109921815B CN109921815B (en) | 2024-03-08 |
Family
ID=66966917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910234789.XA Active CN109921815B (en) | 2019-03-26 | 2019-03-26 | Recognition device and recognition method for whether vehicle-mounted interphone hand microphone is placed into hanging rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109921815B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10108264A (en) * | 1996-09-26 | 1998-04-24 | Atsuden Kk | Device switched automatically by received radio wave |
| EP0865165A2 (en) * | 1997-03-14 | 1998-09-16 | Kabushiki Kaisha Toshiba | Radio apparatus |
| KR20080110319A (en) * | 2007-06-15 | 2008-12-18 | (주) 알에프세미 | Small-sized capacitor micro-phone |
| CN102710821A (en) * | 2012-05-15 | 2012-10-03 | 青岛海信移动通信技术股份有限公司 | Hand microphone for interphone and interphone |
| CN202720249U (en) * | 2012-07-27 | 2013-02-06 | 福建科立讯电子有限公司 | Interphone automatic detection clamp |
| CN202907123U (en) * | 2012-06-18 | 2013-04-24 | 上海信云无线通信技术有限公司 | An interphone and a cell phone assembly containing the same |
| CN202998085U (en) * | 2012-12-05 | 2013-06-12 | 泉州市琪祥电子科技有限公司 | A vehicle station hand microphone |
| CN103269234A (en) * | 2013-04-25 | 2013-08-28 | 海能达通信股份有限公司 | Interphone |
| US20140023125A1 (en) * | 2012-07-23 | 2014-01-23 | Wistron Neweb Corporation | Signal Transceiver and Adaptive Impedance Switch Circuit |
| US20170201842A1 (en) * | 2014-05-30 | 2017-07-13 | Huawei Technologies Co., Ltd. | Headphone Socket |
| CN207382302U (en) * | 2017-08-28 | 2018-05-18 | 深圳市标富科技有限公司 | A kind of vehicular communication equipment |
| CN108566530A (en) * | 2017-12-29 | 2018-09-21 | 北京九方广维科技有限公司 | Double-purpose video intercom system based on bluetooth and its intercommunication method |
| CN207995077U (en) * | 2018-04-12 | 2018-10-19 | 山东焦耳电子有限公司 | It is a kind of to be used for intelligent intercom clear outside cabinet |
| CN208509242U (en) * | 2018-08-08 | 2019-02-15 | 福建科立讯通信有限公司 | A kind of voice-grade channel switching realization circuit of digital walkie-talkie |
| CN209545575U (en) * | 2019-03-26 | 2019-10-25 | 福建科立讯通信有限公司 | Whether a kind of Vehicular intercom hand-held microphone is put into the identification device of hanger |
-
2019
- 2019-03-26 CN CN201910234789.XA patent/CN109921815B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10108264A (en) * | 1996-09-26 | 1998-04-24 | Atsuden Kk | Device switched automatically by received radio wave |
| EP0865165A2 (en) * | 1997-03-14 | 1998-09-16 | Kabushiki Kaisha Toshiba | Radio apparatus |
| KR20080110319A (en) * | 2007-06-15 | 2008-12-18 | (주) 알에프세미 | Small-sized capacitor micro-phone |
| CN102710821A (en) * | 2012-05-15 | 2012-10-03 | 青岛海信移动通信技术股份有限公司 | Hand microphone for interphone and interphone |
| CN202907123U (en) * | 2012-06-18 | 2013-04-24 | 上海信云无线通信技术有限公司 | An interphone and a cell phone assembly containing the same |
| US20140023125A1 (en) * | 2012-07-23 | 2014-01-23 | Wistron Neweb Corporation | Signal Transceiver and Adaptive Impedance Switch Circuit |
| CN202720249U (en) * | 2012-07-27 | 2013-02-06 | 福建科立讯电子有限公司 | Interphone automatic detection clamp |
| CN202998085U (en) * | 2012-12-05 | 2013-06-12 | 泉州市琪祥电子科技有限公司 | A vehicle station hand microphone |
| CN103269234A (en) * | 2013-04-25 | 2013-08-28 | 海能达通信股份有限公司 | Interphone |
| US20170201842A1 (en) * | 2014-05-30 | 2017-07-13 | Huawei Technologies Co., Ltd. | Headphone Socket |
| CN207382302U (en) * | 2017-08-28 | 2018-05-18 | 深圳市标富科技有限公司 | A kind of vehicular communication equipment |
| CN108566530A (en) * | 2017-12-29 | 2018-09-21 | 北京九方广维科技有限公司 | Double-purpose video intercom system based on bluetooth and its intercommunication method |
| CN207995077U (en) * | 2018-04-12 | 2018-10-19 | 山东焦耳电子有限公司 | It is a kind of to be used for intelligent intercom clear outside cabinet |
| CN208509242U (en) * | 2018-08-08 | 2019-02-15 | 福建科立讯通信有限公司 | A kind of voice-grade channel switching realization circuit of digital walkie-talkie |
| CN209545575U (en) * | 2019-03-26 | 2019-10-25 | 福建科立讯通信有限公司 | Whether a kind of Vehicular intercom hand-held microphone is put into the identification device of hanger |
Non-Patent Citations (3)
| Title |
|---|
| M. JOSIE AMMER等: ""A Low-Energy Chip-Set for Wireless Intercom"", 《PROCEEDINGS 2003. DESIGN AUTOMATION CONFERENCE (IEEE CAT. NO.03CH37451)》 * |
| 周斌等: ""一种低电压电力线载波呼叫对讲系统的研究"", 《科技视界》 * |
| 金爱华等: ""一种新型的对讲机电路"", 《现代电子技术》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109921815B (en) | 2024-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105789506B (en) | Electronic cigarette battery | |
| CN209545575U (en) | Whether a kind of Vehicular intercom hand-held microphone is put into the identification device of hanger | |
| CN109921815A (en) | Whether a kind of Vehicular intercom hand-held microphone is put into identification device and the recognition methods of hanger | |
| CN208258999U (en) | A kind of control circuit of automatic identification atomizer | |
| CN212413388U (en) | Magnetic recording microphone | |
| CN205355407U (en) | Data line is inhaled to magnetism | |
| CN210346937U (en) | Plug-in type double-circuit temperature acquisition circuit | |
| CN203589934U (en) | Anti-interference circuit device for automobile air conditioner motor | |
| CN209357955U (en) | Hot plug connector and electronic equipment | |
| CN209805433U (en) | Charging circuit and device | |
| CN213843371U (en) | Grounding voltage pulse detection device based on 5G | |
| CN106100325A (en) | Change-over circuit and include the industrial control equipment of change-over circuit | |
| CN205335474U (en) | Interface charges with theftproof function | |
| CN105403756B (en) | A kind of circuit arrangement with ground wire electrification detection function | |
| CN209233514U (en) | Vehicle-mounted charge voltage regulator circuit | |
| CN213340900U (en) | Magnet exposes rubber coating integrated into one piece's magnetism and inhales line | |
| CN103517181B (en) | Electronic installation and headset | |
| CN205406859U (en) | Socket with ground structure | |
| CN114238192B (en) | Control circuit and control method for positive and negative short circuit of TYPEC | |
| CN206820082U (en) | Battery component and electronic cigarette | |
| CN209284504U (en) | A kind of conference table with integrated computer | |
| CN207894988U (en) | Intelligent electric power mutual inductor | |
| CN214057251U (en) | Plug-in type unmanned subway train pantograph control device | |
| CN206583939U (en) | A kind of functional test fuse isolating terminal | |
| TWM245644U (en) | Power plug and power socket with detection pins |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |