CN202916034U - Wireless pedal pressure gauge - Google Patents
Wireless pedal pressure gauge Download PDFInfo
- Publication number
- CN202916034U CN202916034U CN 201220517440 CN201220517440U CN202916034U CN 202916034 U CN202916034 U CN 202916034U CN 201220517440 CN201220517440 CN 201220517440 CN 201220517440 U CN201220517440 U CN 201220517440U CN 202916034 U CN202916034 U CN 202916034U
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- CN
- China
- Prior art keywords
- wireless
- pressure gauge
- pedal pressure
- brake pedal
- foot brake
- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a wireless pedal pressure gauge, comprising a force cell sensor, a signal amplifier, a microprocessor and a wireless transmission module. The force cell sensor obtains an original electrical signals corresponding to stress of a pedal; the signal amplifier is electrically connected with the force cell sensor and used for amplifying the original electrical signals obtained by the force cell sensor to obtain amplified electrical signals; the microprocessor is electrically connected with the signal amplifier and used for carrying out analog-to-digital conversion on the amplified electrical signals to obtain digital signals; and the wireless transmission module is electrically connected with the microprocessor, and used for sending the digital signals. According to the above scheme, the wireless pedal pressure gauge transmits signals in a wireless manner, and is large in flexibility in use; working range of the wireless pedal pressure gauge is not limited by the length of cables; and the wireless pedal pressure gauge transmits the digital signals in a wireless manner, which is strong in anti-interference capability. In addition, the wireless pedal pressure gauge is prevented from damages caused by cable breakage or damage when the force cell sensor is forgotten in a car which is driven away from a detection station.
Description
Technical field
The utility model relates to field of measuring technique, relates in particular to a kind of wireless foot brake pedal pressure gauge.
Background technology
Foot brake pedal pressure gauge is the instrument of measuring automobile brake pedal power value.Existing foot brake pedal pressure gauge generally is divided into two kinds, a kind ofly mainly formed by force cell, signal amplifier and microprocessor, wherein, between signal amplifier and the microprocessor, carry out data transmission by long cable by communication interface (such as RS232, RS485, CAN etc.); Another kind of mainly gather the computing machine of PCI integrated circuit board by force cell, signal amplifier with analog input AD, be connected by long cable between signal amplifier and the PCI integrated circuit board, calculate the power value by computing machine at last.
When above-mentioned two kinds of foot brake pedal pressure gauges operate at the scene, force cell is fixed on the brake pedal, transmits the electric signal that force cell obtains by dilatory long cable.Adopt the mode of long cable to carry out the transmission of electric signal, dirigibility is lower, can only use in the scope of line length.In addition after measure finishing, if forget force cell is taken out in automobile, easily cable is broken or damaged when detecting station when automobile sails out of, cause the damage of foot brake pedal pressure gauge, and the cable that uses of a specified duration also causes communication failure easily.
The utility model content
Provide hereinafter about brief overview of the present utility model, in order to basic comprehension about some aspect of the present utility model is provided.Should be appreciated that this general introduction is not about exhaustive general introduction of the present utility model.It is not that intention is determined key of the present utility model or pith, neither be intended to limit scope of the present utility model.Its purpose only is that the form of simplifying provides some concept, with this as the in greater detail preorder of discussing after a while.
The utility model provides a kind of wireless foot brake pedal pressure gauge, adopts long cable to carry out signal to transmit existing deficiency in order to solve existing foot brake pedal pressure gauge.
The utility model provides a kind of wireless foot brake pedal pressure gauge, comprising:
Be used for obtaining the force cell of the raw electrical signal corresponding with pedal force;
Signal amplifier is electrically connected with described force cell, and the raw electrical signal that is used for described force cell is obtained amplifies processing, to obtain amplification signal;
Microprocessor is electrically connected with described signal amplifier, is used for described amplification signal is carried out analog to digital conversion, to obtain digital signal;
Wireless sending module is electrically connected with described microprocessor, is used for sending described digital signal.
The wireless foot brake pedal pressure gauge that the utility model provides adopts wireless mode to carry out the signal transmission, the mode of the long cable of more existing employing is carried out the signal transmission, the dirigibility of using is large, working range no longer is subjected to the restriction of length of cable, and this is wireless, and foot brake pedal pressure gauge adopts wireless mode to carry out the transmission of digital signal, and its antijamming capability is stronger.In addition, carry out the signal transmission owing to carry out wireless mode, therefore avoided the existing foot brake pedal pressure gauge of appearance picture to exist, because forgetting force cell is taken out in automobile, when automobile sails out of the detection station, easily cable is broken or damaged, cause the problem of the damage of foot brake pedal pressure gauge.
Description of drawings
With reference to below in conjunction with the explanation of accompanying drawing to the utility model embodiment, can understand more easily above and other purpose of the present utility model, characteristics and advantage.Parts in the accompanying drawing are just in order to illustrate principle of the present utility model.In the accompanying drawings, same or similar technical characterictic or parts will adopt identical or similar Reference numeral to represent.
The schematic diagram of the wireless foot brake pedal pressure gauge that Fig. 1 provides for the utility model embodiment one;
The schematic diagram of the wireless foot brake pedal pressure gauge that Fig. 2 provides for the utility model embodiment two.
Description of reference numerals:
Force cell-1; Signal amplifier-2; Microprocessor-3;
Wireless sending module-4; Wireless receiving module-5.
Embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.The element of describing in an accompanying drawing of the present utility model or a kind of embodiment and feature can combine with element and the feature shown in one or more other accompanying drawing or the embodiment.Should be noted that for purpose clearly, omitted in accompanying drawing and the explanation and the utility model expression and description irrelevant, parts known to persons of ordinary skill in the art and processing.
The schematic diagram of the wireless foot brake pedal pressure gauge that Fig. 1 provides for the utility model embodiment one; As shown in Figure 1, the wireless foot brake pedal pressure gauge that provides of the utility model embodiment one comprises force cell 1; Signal amplifier 2 is electrically connected with force cell 1, and the raw electrical signal that is used for force cell 1 is obtained amplifies processing, to obtain amplification signal; Microprocessor 3 is electrically connected with signal amplifier 2, is used for amplification signal is carried out analog to digital conversion, to obtain digital signal; Wireless sending module 4 is electrically connected with microprocessor 3, is used for sending digital signal.
The wireless foot brake pedal pressure gauge of such scheme adopts wireless mode to carry out the signal transmission, the mode of the long cable of more existing employing is carried out the signal transmission, the dirigibility of using is large, working range no longer is subjected to the restriction of length of cable, and this is wireless, and foot brake pedal pressure gauge adopts wireless mode to carry out the transmission of digital signal, and its antijamming capability is stronger.In addition, carry out the signal transmission owing to carry out wireless mode, therefore avoided the existing foot brake pedal pressure gauge of appearance picture to exist, because forgetting force cell is taken out in automobile, when automobile sails out of the detection station, easily cable is broken or damaged, cause the problem of the damage of foot brake pedal pressure gauge.
The schematic diagram of the wireless foot brake pedal pressure gauge that Fig. 2 provides for the utility model embodiment two; As shown in Figure 2, based on above-described embodiment, the wireless foot brake pedal pressure gauge of this embodiment also comprises wireless receiving module 5, communicates by letter with wireless sending module 4, is used for receiving the digital signal that wireless sending module 4 sends.
Further, based on above-described embodiment, signal amplifier 2, microprocessor 3 and wireless sending module 3 are integrated on the same circuit board in actual the use, be beneficial to like this this wireless foot brake pedal pressure gauge is made into hand-held product.
Further, based on above-described embodiment, force cell 1 can adopt radial power sensor in actual the use.Adopt radial power sensor to effectively raise measuring accuracy and the Measurement sensibility of this wireless foot brake pedal pressure gauge.
Further, based on above-described embodiment, microprocessor 3 can adopt single-chip microcomputer in actual the use.The model of producing such as but not limited to employing Texas Instruments is the single-chip microcomputer of MSP430F149, this single-chip microcomputer self is with analog to digital conversion, can process the amplification signal that obtains through signal amplifier and be converted into digital signal, to improve the antijamming capability of this wireless foot brake pedal pressure gauge.
Further, based on above-described embodiment, wireless sending module 4 is Zigbee (purple honeybee) wireless sending module in actual the use, and wireless receiving module 5 is the Zigbee wireless receiving module.Perhaps, wireless sending module 4 is the WIFI wireless sending module, and wireless receiving module 5 is the WIFI wireless receiving module.Again or, wireless sending module 4 is the blue teeth wireless sending module, wireless receiving module 5 is the blue teeth wireless receiver module.Wherein, Zigbee wireless sending module, Zigbee wireless receiving module, the WIFI wireless sending module, the WIFI wireless receiving module, blue teeth wireless sending module and blue teeth wireless receiver module are prior art, their physical circuit composition are not given unnecessary details here.
Further, based on above-described embodiment, wireless receiving module at least also comprises any in serial ports, parallel port and the USB interface in actual the use, is used for and compunication.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. wireless foot brake pedal pressure gauge comprises:
Be used for obtaining the force cell of the raw electrical signal corresponding with pedal force;
Signal amplifier is electrically connected with described force cell, and the raw electrical signal that is used for described force cell is obtained amplifies processing, to obtain amplification signal; It is characterized in that, also comprise:
Microprocessor is electrically connected with described signal amplifier, is used for described amplification signal is carried out analog to digital conversion, to obtain digital signal;
Wireless sending module is electrically connected with described microprocessor, is used for sending described digital signal.
2. wireless foot brake pedal pressure gauge according to claim 1 is characterized in that, also comprises:
Wireless receiving module is communicated by letter with described wireless sending module, is used for receiving the described digital signal that described wireless sending module sends.
3. wireless foot brake pedal pressure gauge according to claim 1 is characterized in that,
Described signal amplifier, described microprocessor and described wireless sending module are integrated on the same circuit board.
4. arbitrary described wireless foot brake pedal pressure gauge is characterized in that according to claim 1-3, and described force cell is radial power sensor.
5. arbitrary described wireless foot brake pedal pressure gauge is characterized in that according to claim 1-3, and described microprocessor is single-chip microcomputer.
6. wireless foot brake pedal pressure gauge according to claim 2 is characterized in that, described wireless sending module is the Zigbee wireless sending module, and described wireless receiving module is the Zigbee wireless receiving module.
7. wireless foot brake pedal pressure gauge according to claim 2 is characterized in that, described wireless sending module is the WIFI wireless sending module, and described wireless receiving module is the WIFI wireless receiving module.
8. wireless foot brake pedal pressure gauge according to claim 2 is characterized in that, described wireless sending module is the blue teeth wireless sending module, and described wireless receiving module is the blue teeth wireless receiver module.
9. wireless foot brake pedal pressure gauge according to claim 2 is characterized in that, described wireless receiving module comprises any in serial ports, parallel port and the USB interface at least, is used for and compunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220517440 CN202916034U (en) | 2012-10-10 | 2012-10-10 | Wireless pedal pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220517440 CN202916034U (en) | 2012-10-10 | 2012-10-10 | Wireless pedal pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202916034U true CN202916034U (en) | 2013-05-01 |
Family
ID=48164339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220517440 Expired - Lifetime CN202916034U (en) | 2012-10-10 | 2012-10-10 | Wireless pedal pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202916034U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931186A (en) * | 2015-06-17 | 2015-09-23 | 上海工程技术大学 | Vehicle dynamic braking force measuring device |
| CN107167370A (en) * | 2017-06-29 | 2017-09-15 | 东莞市海达仪器有限公司 | A kind of wireless force value sensor-based system |
-
2012
- 2012-10-10 CN CN 201220517440 patent/CN202916034U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931186A (en) * | 2015-06-17 | 2015-09-23 | 上海工程技术大学 | Vehicle dynamic braking force measuring device |
| CN107167370A (en) * | 2017-06-29 | 2017-09-15 | 东莞市海达仪器有限公司 | A kind of wireless force value sensor-based system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 101102, Beijing, Zhongguancun Tongzhou District science and Technology Park, Tongzhou Park Jinqiao technology industry base, King Sheng street, No. 20 Patentee after: BEIJING BBK TEST SYSTEMS CO.,LTD. Address before: 100000, Beijing, Tongzhou District, Majuqiao Sheng Wang street, No. 20 Patentee before: BEIJING BBK TESTING SYSTEMS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |