CN204222659U - Gear display device - Google Patents
Gear display device Download PDFInfo
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- CN204222659U CN204222659U CN201420550757.3U CN201420550757U CN204222659U CN 204222659 U CN204222659 U CN 204222659U CN 201420550757 U CN201420550757 U CN 201420550757U CN 204222659 U CN204222659 U CN 204222659U
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Abstract
The utility model relates to a kind of gear display device, and it comprises: a main control circuit, and a signal trunk circuit; Wherein, one is had in main control circuit for the first microcontroller be electrically connected with display module, one and first the first signal conditioning circuit that be electrically connected of microcontroller; Signal trunk circuit be electrically connected by a signal transmssion line and main control circuit, has the secondary signal treatment loop of each gear ground signalling of a confession connection, one and first the second microcontroller that be electrically connected of signal conditioning circuit and secondary signal treatment loop in it.Thus the circuit can exempting all gear ground signallings concentrates on the installation restriction of electronic instrument, and then increasing assembling convenience and applicability of comparatively having, other electronic product that more can reduce on electronic instrument causes the risk of electronic signal mistake or damage by foreign current and voltage influence.
Description
Technical field
The utility model is relevant a kind of gear display device, refers to that a kind of increasing assembles convenience and the gear display device compared with tool applicability especially.
Background technology
General vehicle for convenience of steerman stop, move backward and different torsion export control, be mostly that the road conditions that using provides different travel in better mode by a change speed gear box to carry out the switching between different gear.
Current vehicle on the market, its gear (gear shift) and speed change system are arranged (manual) except traditional hand or are certainly arranged except (automatic transmission) two kinds of speed change systems, now more popular so-called " auto-manual " speed change system, to make steerman except can enjoying the Driving of manual gearing, also can obtain manipulation easiness and comfort feature that auto transmission system has simultaneously; Again, for convenience of steerman in vehicle travel process, identification vehicle place class position at that time can be known, how further gear display mechanism can be set in vehicle electric instrument.
Known a kind of common positions display mechanism as shown in Figures 1 and 2, by being provided with a control circuit 20 at electronic instrument 10 place, the ground signalling of each gear of shift device is electrically connected by this control circuit 20, this control circuit 20 inside is then provided with a signal conditioning circuit 21 for connecting each gear ground signalling, and is provided with a microcontroller 22 and is electrically connected with this signal conditioning circuit 21.
The current potential detected according to signal conditioning circuit 21 by this microcontroller 22, the gear signal that judgement receives why, again corresponding display is sent to the electronic instrument 10 that it connects, make the display module 11 being implemented in electronic instrument 10 show the object of gear.
But similar common positions display mechanism, when practical application, still must be connected to electronic instrument place by each gear ground signalling of change speed gear box respectively by wire, so much inconvenience of installing and restriction will be caused; Moreover along with vehicle science and technology is maked rapid progress, electron steering product is used in the control of vehicle in large quantities, the space of the configuration of each control module on relative compression vehicle electronic instrument, relatively easily be subject to foreign current and voltage influence, cause electronic signal mistake, even cause function to damage.
Utility model content
In view of this, namely main purpose of the present utility model is that providing a kind of increases assembling convenience and the gear display device compared with tool applicability.
For achieving the above object, the utility model provides a kind of gear display device, is that this gear display device comprises: a main control circuit, and a signal trunk circuit for being connected between a shift device and an electronic instrument; Wherein, this main control circuit is for being located at this electronic instrument place, and be electrically connected with the display module on this electronic instrument, have one in this main control circuit for the first microcontroller be electrically connected with this display module, one and the first signal conditioning circuit of being electrically connected of this first microcontroller; This signal trunk circuit is electrically connected by a signal transmssion line and this main control circuit, has one for the secondary signal treatment loop, one and the second microcontroller of being electrically connected of this first signal conditioning circuit and this secondary signal treatment loop connecting this shift device each gear ground signalling in this signal trunk circuit; And this second microcontroller is loaded with multiple gear output signal corresponding respectively to each gear ground signalling in advance, this first microcontroller is loaded with multiple gear display corresponding respectively to each gear output signal in advance.
Utilize said structure feature, gear display device of the present utility model, in time using, it is the correct position that signal trunk circuit can be installed on car body, be electrically connected by signal transmssion line and the main control circuit being located at electronic instrument place again, can be connected with the total gear ground signalling of shift device by signal trunk circuit, and by signal trunk circuit by electric resistance partial pressure principle, the current potential produced when any gear ground connection of shift device is different, make the second microcontroller according to detected current potential, the gear ground signalling that judgement receives why, and the gear output signal corresponding to exporting, as for, the main control circuit being located at electronic instrument place then can according to received gear output signal, and the gear display corresponding to exporting connected display module, to reach the object in display module display gear, overall gear display device, the circuit more can exempting all gear ground signallings concentrates on the installation restriction of electronic instrument, and then reaches increase assembling convenience and the object compared with tool applicability.
According to said structure feature, described main control circuit be provided with one be electrically connected with this first signal conditioning circuit first transmit mouth; This signal trunk circuit be provided with one with this second microcontroller be electrically connected second transmit mouth, one and this secondary signal treatment loop be electrically connected the 3rd transmit mouth; The two ends of this signal transmssion line are respectively equipped with one and first transmits corresponding the first electrical connector, the confession engaged of mouth for this and second transmit corresponding the second electrical connector engaged of mouth with this.
Described first signal conditioning circuit, this first microcontroller are provided on one first circuit board; This secondary signal treatment loop, this second microcontroller are provided on a second circuit support plate.
Described first signal conditioning circuit, this first microcontroller, this first transmission mouth are provided on one first circuit board; This secondary signal treatment loop, this second microcontroller, this second transmission mouth, the 3rd transmission mouth are provided on a second circuit support plate.
Specifically, gear display device disclosed by the utility model, concentrate on the installation restriction of electronic instrument except the circuit can exempting all gear ground signallings and then increase assembling convenience and comparatively have except applicability, other electronic product that more can reduce on electronic instrument causes the risk of electronic signal mistake or damage by foreign current and voltage influence; Even, can by the function of the first microcontroller of main control circuit and the Function Integration Mechanism of electronic instrument, or the mode of firmware is upgraded by the microcontroller built-in to the original electronic instrument of vehicle, by the function of main control circuit and the Function Integration Mechanism of electronic instrument, again by signal transmssion line by signal trunk circuit and the original electronic instrument of vehicle, can under the structural form of the original electronic instrument of constant motor vehicle, other electronic product reached on above-mentioned reduction electronic instrument causes electronic signal mistake or damages the function of risk by foreign current and voltage influence.
Accompanying drawing explanation
Fig. 1 is the use configuration schematic diagram of a common positions display mechanism.
Fig. 2 is the structure composed block schematic diagram of a common positions display mechanism.
Fig. 3 is that gear display device of the present utility model uses configuration schematic diagram.
Fig. 4 is gear display device structure composed block schematic diagram of the present utility model.
Detailed description of the invention
The utility model mainly provides a kind of increases assembling convenience and the gear display device compared with tool applicability, gear display mechanism as of the present utility model in Fig. 3 uses shown in configuration schematic diagram, Fig. 4 gear display mechanism of the present utility model structure composed block schematic diagram, gear display device of the present utility model, for being connected between a shift device (figure slightly) and an electronic instrument 10, this gear display device comprises: a main control circuit 30, and a signal trunk circuit 40; Wherein:
This main control circuit 30 is for being located at this electronic instrument 10 place, and be electrically connected with the display module 11 (as liquid crystal panel) on this electronic instrument 10, have one in this main control circuit 30 for the first microcontroller 31 be electrically connected with this display module 11, one and the first signal conditioning circuit 32 of being electrically connected of this first microcontroller 31.
In time implementing, described first signal conditioning circuit 32, this first microcontroller 31 to be located on one first circuit board 30A as shown in the figure; Or, can by the function of the first microcontroller 31 of main control circuit 30 and the Function Integration Mechanism of electronic instrument, even upgrade the mode of firmware by the microcontroller built-in to the original electronic instrument of vehicle, by the function of main control circuit and the Function Integration Mechanism of electronic instrument.
This signal trunk circuit 40 is electrically connected by a signal transmssion line 50 and this main control circuit 30, has one for the secondary signal treatment loop 42, one and the second microcontroller 41 of being electrically connected of this first signal conditioning circuit 32 and this secondary signal treatment loop 42 connecting each gear ground signalling of this shift device in this signal trunk circuit 40; Same, this secondary signal treatment loop 42, this second microcontroller 41 also can be located on a second circuit support plate 40A as shown in the figure.
And this second microcontroller 41 is loaded with multiple gear output signal corresponding respectively to each gear ground signalling in advance, this first microcontroller 31 is loaded with multiple gear display corresponding respectively to each gear output signal in advance.
In principle, gear display device of the present utility model, in time using, it is the correct position that signal trunk circuit 40 can be installed on car body, be electrically connected by signal transmssion line 50 and the main control circuit 30 being located at electronic instrument 10 place again, can be connected by the total gear ground signalling of signal trunk circuit 40 with shift device (scheming slightly), and by signal trunk circuit 40 by electric resistance partial pressure principle, the current potential produced when any gear ground connection of shift device is different, make the second microcontroller 41 according to detected current potential, the gear ground signalling that judgement receives why, and the gear output signal corresponding to exporting.
As for, the main control circuit 30 being located at electronic instrument 10 place according to received gear output signal, can export corresponding gear display to connected display module 11, to reach the object in display module display gear; Thus the circuit can exempting all gear ground signallings concentrates on the installation restriction of electronic instrument 10, and then reach increase assembling convenience and the object compared with tool applicability; Especially, other electronic product that more can reduce on electronic instrument 10 causes the risk of electronic signal mistake or damage by foreign current and voltage influence.
Moreover, overall gear display device, for further increasing its convenience installed and used and applicability, described main control circuit 30 be provided with one be electrically connected with this first signal conditioning circuit 32 first transmit mouth 33; This signal trunk circuit 40 be provided with one with this second microcontroller 41 be electrically connected second transmit mouth 43, one and this secondary signal treatment loop 42 be electrically connected the 3rd transmit mouth 44.
Two ends as, this signal transmssion line 50 are then respectively equipped with one and first transmits corresponding the first electrical connector 51, confession engaged of mouth 33 for this and second transmit corresponding the second electrical connector 52 engaged of mouth 43 with this.When actual installation, simple grafting action settling signal trunk circuit 40 can be utilized to be electrically connected with main control circuit 30; And signal trunk circuit 40 can utilize simple grafting action and total gear ground signalling to be electrically connected equally.
Under this structural form, described first signal conditioning circuit 32, this first microcontroller 31, this first transmission mouth 33 are provided on one first circuit board 30A; This secondary signal treatment loop 42, this second microcontroller 41, this second transmission mouth 43, the 3rd transmission mouth 44 are provided on a second circuit support plate 40A as good, make to obtain a modular gear display device, more contribute to promoting it and install and use convenience and applicability.
Compare with traditional common structure, gear display device disclosed by the utility model, concentrate on the installation restriction of electronic instrument except the circuit can exempting all gear ground signallings and then increase assembling convenience and comparatively have except applicability, other electronic product that more can reduce on electronic instrument causes the risk of electronic signal mistake or damage by foreign current and voltage influence; Even, can by the function of the first microcontroller of main control circuit and the Function Integration Mechanism of electronic instrument, or the mode of firmware is upgraded by the microcontroller built-in to the original electronic instrument of vehicle, by the function of main control circuit and the Function Integration Mechanism of electronic instrument, again by signal transmssion line by signal trunk circuit and the original electronic instrument of vehicle, can under the structural form of the original electronic instrument of constant motor vehicle, other electronic product reached on above-mentioned reduction electronic instrument is subject to foreign current and voltage influence, and causes the function of electronic signal mistake or damage risk.
In sum, the utility model provides a preferably feasible gear display device, therefore proposes the application of utility model patent in accordance with the law; Technology contents of the present utility model and technical characterstic disclose as above, but those skilled in the art still may do the various replacement and the modification that do not deviate from the utility model spirit based on announcement of the present utility model.Therefore, protection domain of the present utility model should be not limited to disclosed embodiment, and should comprise various do not deviate from replacement of the present utility model and amendment, and is covered by following claim.
[nomenclature]
10 electronic instruments
11 display modules
20 control circuits
21 signal conditioning circuits
22 microcontrollers
30 main control circuits
30A first circuit board
31 first microcontrollers
32 first signal conditioning circuits
33 first transmission mouths
40 signal trunk circuits
40A second circuit support plate
41 second microcontrollers
42 secondary signal treatment loops
43 second transmission mouths
44 the 3rd transmission mouths
50 signal transmssion lines
51 first electrical connectors
52 second electrical connectors
Claims (4)
1. a gear display device is that it is characterized in that, this gear display device comprises: a main control circuit, and a signal trunk circuit for being connected between a shift device and an electronic instrument; Wherein:
This main control circuit is for being located at this electronic instrument place, and be electrically connected with the display module on this electronic instrument, have one in this main control circuit for the first microcontroller be electrically connected with this display module, one and the first signal conditioning circuit of being electrically connected of this first microcontroller;
This signal trunk circuit is electrically connected by a signal transmssion line and this main control circuit, has one for the secondary signal treatment loop, one and the second microcontroller of being electrically connected of this first signal conditioning circuit and this secondary signal treatment loop connecting this shift device each gear ground signalling in this signal trunk circuit; And,
This second microcontroller is loaded with multiple gear output signal corresponding respectively to each gear ground signalling in advance, and this first microcontroller is loaded with multiple gear display corresponding respectively to each gear output signal in advance.
2. gear display device as claimed in claim 1, is characterized in that, this main control circuit be provided with one be electrically connected with this first signal conditioning circuit first transmit mouth; This signal trunk circuit be provided with one with this second microcontroller be electrically connected second transmit mouth, one and this secondary signal treatment loop be electrically connected the 3rd transmit mouth; The two ends of this signal transmssion line are respectively equipped with one and first transmits corresponding the first electrical connector, the confession engaged of mouth for this and second transmit corresponding the second electrical connector engaged of mouth with this.
3. gear display device as claimed in claim 1, it is characterized in that, this first signal conditioning circuit, this first microcontroller are provided on one first circuit board; This secondary signal treatment loop, this second microcontroller are provided on a second circuit support plate.
4. gear display device as claimed in claim 2, is characterized in that, this first signal conditioning circuit, this first microcontroller, this first transmission mouth are provided on one first circuit board; This secondary signal treatment loop, this second microcontroller, this second transmission mouth, the 3rd transmission mouth are provided on a second circuit support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420550757.3U CN204222659U (en) | 2014-09-24 | 2014-09-24 | Gear display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420550757.3U CN204222659U (en) | 2014-09-24 | 2014-09-24 | Gear display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204222659U true CN204222659U (en) | 2015-03-25 |
Family
ID=52920786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420550757.3U Active CN204222659U (en) | 2014-09-24 | 2014-09-24 | Gear display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204222659U (en) |
-
2014
- 2014-09-24 CN CN201420550757.3U patent/CN204222659U/en active Active
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| C14 | Grant of patent or utility model | ||
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