CN202548148U - Two-shaft acceleration transducer device for commercial vehicle - Google Patents
Two-shaft acceleration transducer device for commercial vehicle Download PDFInfo
- Publication number
- CN202548148U CN202548148U CN201220089402XU CN201220089402U CN202548148U CN 202548148 U CN202548148 U CN 202548148U CN 201220089402X U CN201220089402X U CN 201220089402XU CN 201220089402 U CN201220089402 U CN 201220089402U CN 202548148 U CN202548148 U CN 202548148U
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- commercial car
- power supply
- power
- protection module
- acceleration transducer
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Abstract
The utility model relates to a two-shaft acceleration transducer device for a commercial vehicle. The device comprises a two-shaft acceleration transducer, a power supply and a power protecting module, wherein the power protecting module is connected with the two-shaft acceleration transducer through the power supply; and the two-shaft acceleration transducer is also directly connected with the power protecting module through a circuit. Preferentially, the power protecting module comprises a diode, a current protector and a voltage protector, wherein after being connected in series, the diode and the current protector are connected with the voltage protector in parallel; and the two-shaft acceleration transducer for the commercial vehicle further comprises a water-proof connector clip which is respectively connected with the power protecting module, the power supply and the two-shaft acceleration transducer through circuits. The two-shaft acceleration transducer device for the commercial vehicle is ingenious in design and simple in structure, so that a sensor chip is stable and reliable in work, long in service life and suitable for mass popularization and application.
Description
Technical field
The utility model relates to sensor technical field, and particularly acceleration transducer technical field is meant that specifically a kind of commercial car uses the diaxon acceleration sensor apparatus.
Background technology
Sensor is being played the part of important role in automobile modernization system.Along with the raising of society to the demand of safety, energy-saving and environment-friendly automobile, more motor vehicle equipment cruise control system (CCS) and ESP (ESP) and other Vehicular intelligent control system.Effective operation of these automobile electric control systems needs the front, rear, left and right acceleration information of vehicle.But because the situation of commercial car electric power system and working environment is than abominable many of passenger car.Therefore, how to design and a kind ofly can meet commercial car electric power system condition, possessing very high reliability in long term exposure again during in the external world is one of commercial car emphasis of design.
In fact, more and more wider to the circuit protection The Application of Technology of commercial car power supply, and waterproof connector occupies dominant position in the commercial car electronic product.Hope that proposing a kind of commercial car on this basis uses the diaxon acceleration sensor apparatus, thereby make that the sensor chip working stability is reliable, extend serviceable life.
The utility model content
The purpose of the utility model is to have overcome above-mentioned shortcoming of the prior art; Provide a kind of commercial car to use the diaxon acceleration sensor apparatus; This commercial car is ingenious, simple for structure with the design of diaxon acceleration sensor apparatus; Make that the sensor chip working stability is reliable, extend serviceable life, is suitable for large-scale promotion application.
To achieve these goals; The commercial car of the utility model is used the diaxon acceleration sensor apparatus; Be characterized in; Comprise two axle acceleration sensors, power supply and power protection module, said power protection module connects said two axle acceleration sensors through said power circuit, and said two axle acceleration sensors also direct circuit connect said power protection module.
Preferably, said power protection module comprises diode, current protector and voltage protector, and said diode and said current protector series connection back are parallelly connected with said voltage protector.
Preferably, said commercial car also comprises the waterproof plug connector with the diaxon acceleration sensor apparatus, and said waterproof plug connector circuit respectively connects said power protection module, said power supply and said two axle acceleration sensors.
More preferably; Said commercial car also comprises commercial car 24V power supply tie-in line, ground wire, the first acceleration signal output line and the second acceleration signal output line with the diaxon acceleration sensor apparatus; Said commercial car 24V power supply tie-in line connects said power protection module through said waterproof plug connector circuit; Said ground wire connects said power supply through said waterproof plug connector circuit, and the said first acceleration signal output line all is connected said two axle acceleration sensors through said waterproof plug connector circuit with the said second acceleration signal output line.
The beneficial effect of the utility model specifically is:
1, the commercial car of the utility model comprises two axle acceleration sensors, power supply and power protection module with the diaxon acceleration sensor apparatus; Said power protection module connects said two axle acceleration sensors through said power circuit; Said two axle acceleration sensors also direct circuit connect said power protection module; Thereby for the relative more abominable power supply environment of commercial car; The commercial car of the utility model can resist higher in short-term surge voltage effectively with the diaxon acceleration sensor apparatus and other power supplys disturb, and protects two axle acceleration sensors self, designs ingenious, simple for structure; Make that the sensor chip working stability is reliable, extend serviceable life, is suitable for large-scale promotion application.
2, the commercial car of the utility model also comprises the waterproof plug connector with the diaxon acceleration sensor apparatus; Said waterproof plug connector circuit respectively connects said power protection module, said power supply and said two axle acceleration sensors; Thereby be directed against the commercial car long term exposure in the working environment of external world's contact; Design has the joint of water-proof function, can prevent the infringement of the infiltration of sealing to sensor preferably, designs ingenious, simple for structure; Make that the sensor chip working stability is reliable, extend serviceable life, is suitable for large-scale promotion application.
Description of drawings
Fig. 1 is the structural representation of a specific embodiment of the utility model.
Fig. 2 is the structural representation of power protection module shown in Figure 1.
Embodiment
In order more to be expressly understood the technology contents of the utility model, the special following examples of lifting specify.
See also shown in Figure 1; The commercial car of the utility model comprises two axle acceleration sensors, power supply and power protection module with the diaxon acceleration sensor apparatus; Said power protection module connects said two axle acceleration sensors through said power circuit, and said two axle acceleration sensors also direct circuit connect said power protection module.
Two axle acceleration sensors can adopt any right sensors, the KXR94 of kionix company for example, measurement range ± 2G, working temperature-40～+ 125 ℃.
The power protection module can adopt any suitable structure; Can design as the case may be by those skilled in the art; The diode RS2J that for example uses Vishay company is as preventing backward current; Monarch shines the transient suppressor SMBJ30A of company as voltage protection; The 300mA fuse of Littelfuse company is as circuit protection, see also shown in Figure 2, in the specific embodiment of the utility model; Said power protection module is connected in the diode that prevents backward current in the feed circuit by one, and a current protector (like fuse, resistance) and a voltage protector (like transient suppressor, voltage dependent resistor (VDR)) that is connected in parallel in the feed circuit that is connected in the feed circuit is formed.Said diode is the RS2J diode, and said current protector is the 300mA fuse, and said voltage protector is transient suppressor SMBJ30A.
In order to realize waterproof; To protect two axle acceleration sensors better; See also shown in Figure 1; In the specific embodiment of the utility model, said commercial car also comprises the waterproof plug connector with the diaxon acceleration sensor apparatus, and said waterproof plug connector circuit respectively connects said power protection module, said power supply and said two axle acceleration sensors.
Said waterproof plug connector can have any suitable structure, can design as required, for example the 2050052-1 of Tyco company.
In order to cooperate commercial car 24V electric power system; See also shown in Figure 1; In the specific embodiment of the utility model; Said commercial car also comprises commercial car 24V power supply tie-in line 1, ground wire 2, the first acceleration signal output line 3 and the second acceleration signal output line 4 with the diaxon acceleration sensor apparatus; Said commercial car 24V power supply tie-in line 1 connects said power protection module through said waterproof plug connector circuit; Said ground wire 2 connects said power supply through said waterproof plug connector circuit, and the said first acceleration signal output line 3 all is connected said two axle acceleration sensors through said waterproof plug connector circuit with the said second acceleration signal output line 4.
During use; Two axle acceleration sensor levels are installed on the vehicle; Commercial car 24V power supply tie-in line 1 is connected with commercial car 24V power supply circuit with ground wire 2; The first acceleration signal output line 3 is connected the simulation wiring with the second acceleration signal output line, 4 difference circuit, and two axle acceleration sensors can be measured two the horizontal degree of freedom acceleration in all around simultaneously, can directly outwards send acceleration information through simulating signal.After the power supply energising, two axle acceleration sensors are transferred to the acceleration of vehicle all around in the simulation wiring through waterproof connector in real time.
Power protection module that the utility model has been directed against commercial car 24V system development; For commercial car electric power system 24V voltage instability stable condition; The current reversal that has used diode to prevent that revers voltage from producing punctures the sensor damage that sensor causes; The sensor that has used the anti-big electric current of forward of fuse or resistance to cause damages, and the sensor damage of having used the big piezoelectric voltage impact of the anti-forward of transient suppressor or voltage dependent resistor (VDR) to cause makes two axle acceleration sensors can effectively resist higher in short-term surge voltage and other power supplys disturb; Have the strong characteristics of reactance voltage peak value impact capacity, protect two axle acceleration sensors self.
The utility model is directed against the commercial car long term exposure in the working environment of external world's contact; The operate outside environment is abominable; The joint that employing has water-proof function is the waterproof plug connector, has the characteristics of interface waterproof, can prevent the infringement of the infiltration of sealing to two axle acceleration sensors preferably.
To sum up, the commercial car of the utility model is ingenious, simple for structure with the design of diaxon acceleration sensor apparatus, makes that the sensor chip working stability is reliable, extend serviceable life, is suitable for large-scale promotion application.
In this instructions, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and the scope of the utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (4)
1. a commercial car is used the diaxon acceleration sensor apparatus; It is characterized in that; Comprise two axle acceleration sensors, power supply and power protection module; Said power protection module connects said two axle acceleration sensors through said power circuit, and said two axle acceleration sensors also direct circuit connect said power protection module.
2. commercial car according to claim 1 is used the diaxon acceleration sensor apparatus; It is characterized in that; Said power protection module comprises diode, current protector and voltage protector, and said diode and said current protector series connection back are parallelly connected with said voltage protector.
3. commercial car according to claim 1 is used the diaxon acceleration sensor apparatus; It is characterized in that; Said commercial car also comprises the waterproof plug connector with the diaxon acceleration sensor apparatus, and said waterproof plug connector circuit respectively connects said power protection module, said power supply and said two axle acceleration sensors.
4. commercial car according to claim 3 is used the diaxon acceleration sensor apparatus; It is characterized in that; Said commercial car also comprises commercial car 24V power supply tie-in line, ground wire, the first acceleration signal output line and the second acceleration signal output line with the diaxon acceleration sensor apparatus; Said commercial car 24V power supply tie-in line connects said power protection module through said waterproof plug connector circuit; Said ground wire connects said power supply through said waterproof plug connector circuit, and the said first acceleration signal output line all is connected said two axle acceleration sensors through said waterproof plug connector circuit with the said second acceleration signal output line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220089402XU CN202548148U (en) | 2012-03-09 | 2012-03-09 | Two-shaft acceleration transducer device for commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220089402XU CN202548148U (en) | 2012-03-09 | 2012-03-09 | Two-shaft acceleration transducer device for commercial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202548148U true CN202548148U (en) | 2012-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220089402XU Expired - Fee Related CN202548148U (en) | 2012-03-09 | 2012-03-09 | Two-shaft acceleration transducer device for commercial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202548148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207407A (en) * | 2013-03-16 | 2013-07-17 | 江阴市第三电子仪器有限公司 | Geological and geophysical waveform detection sensor |
-
2012
- 2012-03-09 CN CN201220089402XU patent/CN202548148U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207407A (en) * | 2013-03-16 | 2013-07-17 | 江阴市第三电子仪器有限公司 | Geological and geophysical waveform detection sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20180309 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |