CN203027418U - Adaptive telephone transmitter - Google Patents
Adaptive telephone transmitter Download PDFInfo
- Publication number
- CN203027418U CN203027418U CN 201220722586 CN201220722586U CN203027418U CN 203027418 U CN203027418 U CN 203027418U CN 201220722586 CN201220722586 CN 201220722586 CN 201220722586 U CN201220722586 U CN 201220722586U CN 203027418 U CN203027418 U CN 203027418U
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- circuit board
- processing unit
- central processing
- self adaptation
- pole plate
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- Expired - Lifetime
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Abstract
The utility model discloses an adaptive telephone transmitter. The adaptive telephone transmitter comprises a shell, a vibrating diaphragm, a back pole plate and a circuit board, wherein the circuit board is provided with an operating voltage terminal, a microphone output terminal and a ground terminal. The adaptive telephone transmitter further comprises a central processing unit, wherein the central processing unit comprises a signal input terminal, the signal input terminal is connected to the microphone output terminal and is used for inputting electrical signals to the circuit board, and the circuit board is also connected with the back pole plate and is used for inputting the electrical signals to the back pole plate. The adaptive telephone transmitter is capable of flexibly and intelligently compensating amplified gain errors.
Description
Technical field
The utility model relates to a kind of transmitter, particularly a kind of self adaptation transmitter.
Background technology
Transmitter is called again microphone, pick-up etc., is sound to be converted to a kind of device of the signal of telecommunication, is specially voice signal is converted into the signal of telecommunication.The Main Function of transmitter is to carry out sound to the conversion of electricity, when we talk facing to transmitter, it can be converted to the voice signal that we simulate the analog electrical signal of same rule, the circuit board of this signal in transmitter carries out gain amplifier, then delivers to transmitter and modulate after digital processing.Can see, gain amplifier is a very important ring in the transmitter course of work, and the quality of gain amplifier effect directly affects the transmission quality of the signal of telecommunication in transmitter, from and affect and receiver between the quality conversed.
But, often and between the gain amplifier value of setting can there be certain error in the signal gain amplifier that is undertaken by amplifier in practice, this error exists larger impact to the transmission quality of the signal of telecommunication and the speech quality between transmitter and receiver, in order to eliminate this error, just need to do a gain error compensation.Present solution is all generally to carry out mechanically, reach the effect of compensation as carry out etching etc. at circuit board, these methods are owing to all needing the structure to transmitter to carry out larger change, be undoubtedly pretty troublesome, and it is higher beyond doubt to change the spent cost of structure, and a kind of change of structure also can only satisfy a kind of compensation demand, for different compensation demands, the transmitter of the structure that needs to provide different satisfies, and the flexibility in use is lower.Therefore, need badly and a kind ofly can obtain the transmitter of multiple gain error compensation effect at equipment, improve the flexibility adjusting and use and intelligent.
The utility model content
The purpose of this utility model is exactly for the problems referred to above, provides a kind of and can carry out to the gain amplifier error self adaptation transmitter of flexible and intelligent compensation.
To achieve these goals, the utility model provides following technical scheme: the self adaptation transmitter, comprise housing, vibrating diaphragm, back pole plate and circuit board, be provided with operating voltage end, microphone output and earth terminal on this circuit board, this self adaptation transmitter also comprises central processing unit, this central processing unit comprises signal input part, and this signal input part is connected to above-mentioned microphone output, is used for to above-mentioned circuit board input electrical signal; Above-mentioned circuit board also is electrically connected to back pole plate, is used for to this back pole plate input electrical signal.
Further, above-mentioned central processing unit is dsp chip.
Alternatively, above-mentioned central processing unit is the RC filter.
Further, above-mentioned central processing unit is integrated on the foregoing circuit plate.
Again further, above-mentioned signal input part and above-mentioned microphone output amplexiform.
Further, above-mentioned amplexiforming is that surface mount connects.
Alternatively, above-mentioned central processing unit is fixedly connected on above-mentioned housing.
Again further, above-mentioned signal input part and above-mentioned microphone output welding.
Further, the above-mentioned scolding tin that is welded as connects.
Adopt the beneficial effect of above technical scheme to be:
1. the utility model is provided with central processing unit on the basis of original transmitter, it does not cause change to original structure, install than being easier to, be connected to the microphone output of circuit board by the signal input part with this central processing unit, and this circuit board is electrically connected to back pole plate, namely can set up one and can carry out to the gain amplifier error signal transmission structure of intelligent compensation, by namely compensating the gain amplifier error to signal of telecommunication that includes the compensation adjustment parameter of central processing unit input, although have certain increase on power consumption, but compared to change overall structure in the past, cost has obtained reduction, and the most important progress of the utility model is compared to existing transmitter more flexible and intelligent on gain amplifier error compensation, can be efficiently and high-quality ground satisfy user's demand,
2. central processing unit has adopted dsp chip or RC filter, comparatively preferably can adopt dsp chip, it has advantages of that volume is little, relatively be applicable to the little characteristics of transmitter volume, be easily installed on transmitter, in addition, it has advantages of also that signaling rate is high, precision is high and is stable strong.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of self adaptation transmitter of the present utility model side-looking angle in embodiment 1.
Fig. 2 is the sectional structure schematic diagram of internal structure depression angle in embodiment 1 of self adaptation transmitter of the present utility model.
Fig. 3 is the internal structure of self adaptation transmitter of the present utility model is looked up angle in embodiment 1 sectional structure schematic diagram.
Fig. 4 is the sectional structure schematic diagram of internal structure front angle in embodiment 1 of self adaptation transmitter of the present utility model.
Fig. 5 is the sectional structure schematic diagram of self adaptation transmitter of the present utility model side-looking angle in embodiment 2.
Fig. 6 is the structural representation of self adaptation transmitter of the present utility model depression angle in embodiment 2.
Wherein, 1. housing 11. inlet sound mouth 2. back pole plate 21. back pole plate support 3. circuit board 31. circuit board support 32. operating voltage end 33. microphone output 34. earth terminal 4. central processing unit 41. signal input part 5. vibrating diaphragms.
Embodiment
Describe preferred implementation of the present utility model in detail below in conjunction with accompanying drawing.
as shown in Fig. 1-4, the self adaptation transmitter of the present embodiment comprises housing 1, vibrating diaphragm 5, back pole plate 2 and circuit board 3, inlet sound mouth 11 also is installed on housing 1, back pole plate 2 is installed on back pole plate support 21, vibrating diaphragm 5 is covered on back pole plate 2 and back pole plate support 21, circuit board 3 is installed on circuit board support 31, be provided with operating voltage end 32 on circuit board 3, microphone output 33 and earth terminal 34, this self adaptation transmitter also comprises central processing unit 4, this central processing unit 4 comprises signal input part 41, this signal input part 41 is connected to microphone output 33, be used for to circuit board 3 input electrical signals, circuit board 3 also is electrically connected to (not shown) with back pole plate 2, is used for to back pole plate 2 input electrical signals.
Above-mentioned central processing unit is dsp chip, and it has advantages of that volume is little, relatively is applicable to the little characteristics of transmitter volume, is easily installed on transmitter, and in addition, it has advantages of also that signaling rate is high, precision is high and be stable strong.
As shown in Figure 2, above-mentioned central processing unit 4 is integrated on circuit board 3, and is fixed in the mode of pasting with circuit board 3 and is connected, and is installed on the shell wall of housing 1 together with circuit board 4.
Above-mentioned signal input part 41 amplexiforms with microphone output 33, is about to the electric wire that signal input part 41 draws and is connected on microphone output 33 in the mode of pasting.
Above-mentioned amplexiforms as surface mount connects, and namely adopts surface mount process, is exactly the SMT technology.
Above-mentioned back pole plate 2 and back pole plate support 21, circuit board 3 and circuit board support 31, all to be fixedly connected with mode to connect, preferably can adopt bonding mode to connect, the surrounding that back pole plate support 21 is connected with circuit board support is fixed with the inwall of housing 1 respectively again and is connected, and preferably also can adopt bonding mode to connect.
Above-mentioned central processing unit 4 also includes the signal output part (not shown), when being installed on this central processing unit 4 on circuit board 3, because the microphone output 33 of circuit board 3 is connected with the signal input part 41 of central processing unit 4, as the medium of central processing unit 4 to the transmitter internal delivery signal of telecommunication, so the signal output part on central processing unit 4 can be directly uses as the output of circuit board 3.
Each gap that reserves between the complete rear all parts of each above-mentioned assembling parts all should seal with airtight technology.
Above-mentioned housing 1 is all to implement with the shape of rectangle in the present embodiment, certainly also can be made into the shapes such as circle, polygon according to different technique needs.
Other are identical with the described content of embodiment 1, and difference is: as shown in Fig. 5-6, above-mentioned central processing unit 4 is fixedly connected on housing 1, namely is installed on the shell wall of housing 1.
Above-mentioned signal input part 41 is connected with the mode of microphone output 33 with welding, being about to electric wire that signal input part 41 draws is connected on microphone output 33 in the mode of weldering, welding temperature should be controlled between the 250-300 degree, and be advisable to be no more than 5 seconds weld time.Certainly, also can adopt with surface mount process embodiment is connected and mount connection.
The above-mentioned scolding tin that is welded as connects, the operation of namely welding with soldering tin technique.
Other are identical with the described content of embodiment 1 or 2, and difference is: above-mentioned central processing unit 4 selects the RC filter to replace dsp chip to implement.
The below introduces operation principle of the present utility model:
When starting working, by inlet sound mouth 11 to the transmitter input audio signal, voice signal enters into vibrating diaphragm 5 and the back pole plate 2 that is injected into electric charge, after polarizing voltage with electrical signal transfer to circuit board 3, circuit board 3 amplifies the signal of telecommunication and current stabilization, carry out gain amplifier compensation of error with the signal of telecommunication after 4 pairs of these amplifications of electric signal source central processing unit of the parameter that the gain amplifier error is compensated this moment, then will compensate the complete signal of telecommunication and be delivered to next step again and work such as modulate.
Adopt the beneficial effect of above technical scheme to be:
1. the utility model is provided with central processing unit on the basis of original transmitter, it does not cause change to original structure, install than being easier to, be connected to the microphone output of circuit board by the signal input part with this central processing unit, and this circuit board is electrically connected to back pole plate, namely can set up one and can carry out to the gain amplifier error signal transmission structure of intelligent compensation, by namely compensating the gain amplifier error to signal of telecommunication that includes the compensation adjustment parameter of central processing unit input, although have certain increase on power consumption, but compared to change overall structure in the past, cost has obtained reduction, and the most important progress of the utility model is compared to existing transmitter more flexible and intelligent on gain amplifier error compensation, can be efficiently and high-quality ground satisfy user's demand,
2. central processing unit has adopted dsp chip or RC filter, comparatively preferably can adopt dsp chip, it has advantages of that volume is little, relatively be applicable to the little characteristics of transmitter volume, be easily installed on transmitter, in addition, it has advantages of also that signaling rate is high, precision is high and is stable strong.
Above-described is only preferred implementation of the present utility model; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model creation design; can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (9)
1. self adaptation transmitter, comprise housing, vibrating diaphragm, back pole plate and circuit board, be provided with operating voltage end, microphone output and earth terminal on described circuit board, it is characterized in that: described self adaptation transmitter also comprises central processing unit, described central processing unit comprises signal input part, described signal input part is connected to described microphone output, is used for to described circuit board input electrical signal; Described circuit board is electrically connected to described back pole plate, is used for to described back pole plate input electrical signal.
2. self adaptation transmitter according to claim 1, it is characterized in that: described central processing unit is dsp chip.
3. self adaptation transmitter according to claim 1, it is characterized in that: described central processing unit is the RC filter.
4. self adaptation transmitter according to claim 1, it is characterized in that: described central processing unit is integrated on described circuit board.
5. arbitrary described self adaptation transmitter according to claim 4, it is characterized in that: described signal input part and described microphone output amplexiform.
6. self adaptation transmitter according to claim 5 is characterized in that: described amplexiforming is that surface mount connects.
7. self adaptation transmitter according to claim 1, it is characterized in that: described central processing unit is fixedly connected on described housing.
8. arbitrary described self adaptation transmitter according to claim 7, is characterized in that: described signal input part and the welding of described microphone output.
9. self adaptation transmitter according to claim 8 is characterized in that: the described scolding tin that is welded as connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722586 CN203027418U (en) | 2012-12-25 | 2012-12-25 | Adaptive telephone transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722586 CN203027418U (en) | 2012-12-25 | 2012-12-25 | Adaptive telephone transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203027418U true CN203027418U (en) | 2013-06-26 |
Family
ID=48651359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220722586 Expired - Lifetime CN203027418U (en) | 2012-12-25 | 2012-12-25 | Adaptive telephone transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203027418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051990A (en) * | 2012-12-25 | 2013-04-17 | 苏州恒听电子有限公司 | Self-adaptive transmitter |
-
2012
- 2012-12-25 CN CN 201220722586 patent/CN203027418U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103051990A (en) * | 2012-12-25 | 2013-04-17 | 苏州恒听电子有限公司 | Self-adaptive transmitter |
| CN103051990B (en) * | 2012-12-25 | 2016-08-10 | 苏州恒听电子有限公司 | Self adaptation transmitter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170125 Address after: The front road 215000 in Jiangsu province Suzhou city high tech Development Zone No. 299 Building 1 Patentee after: Suzhou Puliansi Electronic Technology Co.,Ltd. Address before: Suzhou City, Jiangsu province 215000 Yuen Suzhou high tech Industrial Development Zone, Road No. 209 Patentee before: SUZHOU HEARONIC ELECTRONICS |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170301 Address after: Song Ling Zhen Wujiang District of Suzhou City, Jiangsu province 215299 Suzhou River Road No. 18 Patentee after: SUZHOU YICHUAN ACOUSTIC TECHNOLOGY Co.,Ltd. Address before: The front road 215000 in Jiangsu province Suzhou city high tech Development Zone No. 299 Building 1 Patentee before: Suzhou Puliansi Electronic Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 368 Youyi Road, Babai friendship Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Suzhou Yiyi Electronic Technology Co.,Ltd. Address before: Song Ling Zhen Wujiang District of Suzhou City, Jiangsu province 215299 Suzhou River Road No. 18 Patentee before: SUZHOU YICHUAN ACOUSTIC TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215299 No. 168, Ludang Road, Jiangling street, Wujiang District, Suzhou City, Jiangsu Province (north of the original Lingyi Road) Patentee after: Suzhou Yiyi Technology Co.,Ltd. Address before: No. 368, Youyi Road, Bache Youyi Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Suzhou Yiyi Electronic Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |