CN203331757U - Magnetic force transmission type tire pressure sensor and setting tool - Google Patents
Magnetic force transmission type tire pressure sensor and setting tool Download PDFInfo
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- CN203331757U CN203331757U CN2013204348109U CN201320434810U CN203331757U CN 203331757 U CN203331757 U CN 203331757U CN 2013204348109 U CN2013204348109 U CN 2013204348109U CN 201320434810 U CN201320434810 U CN 201320434810U CN 203331757 U CN203331757 U CN 203331757U
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Abstract
The utility model discloses a magnetic force transmission type tire pressure sensor and a setting tool. The tire pressure sensor comprises a first micro-control unit, a memory unit, a first power supply, a pressure induction unit, a temperature induction unit, an accelerated speed induction unit, a first low-frequency transmission interface and a magnetic force sensing unit. The setting tool comprises a second micro-control unit, an internal storage unit, a display unit, a magnetic force launching unit and a second low-frequency transmission interface. The magnetic force sensing unit installed in the tire pressure sensor is utilized to receive magnetic lines of force sent by the magnetic force launching unit in the setting tool, and then the received waveforms are converted into a communication protocol to be stored in the tire pressure sensor, so not only can the purpose of wireless transmission be realized but also stability of signal transmission can be promoted, wireless regulatory constraints can be eliminated, and quality of products is promoted. In addition, according to the magnetic force transmission type tire pressure sensor and the setting tool, design of circuits is simple, electricity is saved, and the magnetic force transmission type tire pressure sensor and the setting tool cannot be limited by related wireless regulations.
Description
Technical field
The utility model relates to the technical field of relevant tire pressure monitoring, relates in particular to a kind of magnetic force conveying type tyre pressure sensor and setting means.
Background technology
The tire pressure sensing device that used on the market at present, when setting is installed, is all to see through wireless mode to carry out, and utilizes a setting means wirelessly the data transmission such as communications protocol or ID to be completed to setting to the tire pressure sensing device.With radio, come transmission signal all to need the modulation basic frequency, make basic frequency higher than transmitting more than 10 times of data, therefore can make the driving circuit of emission basic frequency and all comparatively complexity and power consumptions of demodulator circuit of reception.Moreover the distance of transmitting radio signals will far will need larger emissive power, but transmitting range far easily is interfered again or strangle because of all general the distortion that effect causes signal.In addition, the transmitter of wireless signal all needs application authentication to obtain license just to peddle in various countries.
Therefore, those skilled in the art is devoted to develop always and a kind ofly can overcomes above all problems, have circuit structure with the magnetic force transmission signal without carrier wave simple, yet comparatively power saving, can not be subject to magnetic force conveying type tyre pressure sensor and the setting means of the restriction of telecommunications rule.
The utility model content
In view of the deficiency that above-mentioned prior art exists, the utility model proposes that a kind of to have circuit structure with the magnetic force transmission signal without carrier wave simple, also comparatively power saving, and can not be subject to magnetic force conveying type tyre pressure sensor and the setting means of the restriction of telecommunications rule.
The utility model is for achieving the above object, and a kind of tyre pressure sensor that the utility model provides includes:
One first micro-control unit;
One mnemon, described mnemon is connected with described the first micro-control unit telecommunications;
One for the first power supply of described tyre pressure sensor required electric power is provided, and described the first power supply is connected with described the first micro-control unit telecommunications;
One for measuring the pressure sensitive unit of tire internal gas pressure value, and described pressure sensitive unit is connected with described the first micro-control unit telecommunications;
One for measuring the temperature induction unit of temperature in tire, and described temperature induction unit is connected with described the first micro-control unit telecommunications;
One for measuring the acceleration induction unit of tire acceleration/accel, and described acceleration induction unit is connected with described the first micro-control unit telecommunications;
One the first low frequency (Low Frequency) coffret for sending low-frequency signal, described the first low-frequency transmission interface is connected with described the first micro-control unit telecommunications;
One receives the variation in magnetic field and the waveform transformation of variation is exported to the magnetic force sensing cell of described the first micro-control unit for sensing, and described magnetic force sensing cell is connected with described the first micro-control unit telecommunications.
Preferably, described magnetic force sensing cell is a hall sensor (Hall Sensor).
Preferably, described tyre pressure sensor also includes one for sending first wireless (Radio Frequency) coffret of signal, and described the first wireless transmission interface is connected with described the first micro-control unit telecommunications.
The utility model also proposes a kind of setting means, includes:
One second micro-control unit;
One for storing the internal storage location of tyre pressure sensor communications protocol data, and described internal storage location is connected with described the second micro-control unit telecommunications;
One for showing the display unit of described setting means operation information, and described display unit is connected with described the second micro-control unit telecommunications;
One for sending the magnetic force transmitter unit of magnetic line of force, and described magnetic force transmitter unit is connected with described the second micro-control unit telecommunications;
One sends the second low-frequency transmission interface of feedback signal for receiving tyre pressure sensor, described the second low-frequency transmission interface is connected with described the second micro-control unit telecommunications.
Preferably, described magnetic force transmitter unit is an electromagnet.
Preferably, described setting means also includes one for receiving the second wireless transmission interface of the feedback signal that tyre pressure sensor sends, and described the second wireless transmission interface is connected with described the second micro-control unit telecommunications.
Preferably, described setting means also includes one for sending the warning unit of alerting, and described warning unit is connected with described the second micro-control unit telecommunications.
Therefore, magnetic force conveying type tyre pressure sensor of the present utility model and setting means, in the utility model, utilize a magnetic force sensing cell be installed in tyre pressure sensor to receive the magnetic line of force that in a setting means, the magnetic force transmitter unit sends, become communications protocol to be stored in tyre pressure sensor the waveform transformation received again, the purpose that so not only can reach transmission over radio also can promote the degree of stability of signal transmission, and also can get rid of the quality of the restriction improving product of wireless rules.
In sum, the utility model comes transmission signal not only can reach the effect of transmission over radio with magnetic force, and in the design of circuit also comparatively simple, power saving more needn't be subject to the constraint of relevant radio rules, significantly overcome the defect that prior art exists, reached the purpose of this utility model.
The accompanying drawing explanation
The function block schematic diagram that Fig. 1 is the utility model tyre pressure sensor;
The function block schematic diagram that Fig. 2 is the utility model setting means;
The circuit diagram that Fig. 3 is the utility model setting means and tyre pressure sensor part;
Schematic flow sheet when Fig. 4 is the utility model setting means setting operation;
Schematic flow sheet when Fig. 5 is the utility model tyre pressure sensor setting operation.
Primary clustering nomenclature in figure:
Mnemon 12 first power supplys 13
Pressure sensitive unit 14 temperature induction unit 15
The first wireless transmission interface 18 magnetic force sensing cells 19
Setting means 20 second micro-control units 21
Internal storage location 22 display units 23
The second low-frequency transmission interface 26 second wireless transmission interfaces 27
Switch 28 second sources 29
Transistor Q1, Q2, Q3, Q4.
The specific embodiment
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Embodiment mono-:
The function block schematic diagram that Fig. 1 is the utility model tyre pressure sensor.As shown in Figure 1, the present embodiment proposes a kind of tyre pressure sensor 10, includes:
One first micro-control unit 11;
One mnemon 12, mnemon 12 is connected with the first micro-control unit 11 telecommunications;
One is connected with the first micro-control unit 11 telecommunications for the first power supply 13, the first power supplys 13 that tyre pressure sensor 10 required electric powers are provided;
One for measuring the pressure sensitive unit 14 of tire internal gas pressure value, and pressure sensitive unit 14 is connected with the first micro-control unit 11 telecommunications;
One temperature induction unit 15 for measuring temperature in tire, temperature induction unit 15 is connected with the first micro-control unit 11 telecommunications;
One for measuring the acceleration induction unit 16 of tire acceleration/accel, and acceleration induction unit 16 is connected with the first micro-control unit 11 telecommunications;
One for sending the first low-frequency transmission interface 17 of low-frequency signal, the first low-frequency transmission interface 17 is connected with the first micro-control unit 11 telecommunications, the first low-frequency transmission interface 17 sends low-frequency signal to the main frame of installing on car or a setting means, and this low-frequency signal can be 315MHz or 433MHz;
One receives the variation in magnetic field and the waveform transformation of variation is exported to the magnetic force sensing cell 19 of the first micro-control unit 11 for sensing, magnetic force sensing cell 19 is connected with the first micro-control unit 11 telecommunications, exemplary, magnetic force sensing cell 19 is a hall sensor in the present embodiment.
Concrete, the tyre pressure sensor 10 of the present embodiment can also comprise one for sending the first wireless transmission interface 18 of signal, the first wireless transmission interface 18 is connected with the first micro-control unit 11 telecommunications, and the first wireless transmission interface 18 can send signal to the main frame of installing on car or a setting means.In the present embodiment, the first low-frequency transmission interface 17 and the first wireless transmission interface 18 can be selected a setting or the two all arranges or wherein one makes into as wired splicing ear.
Embodiment bis-:
The function block schematic diagram that Fig. 2 is the utility model setting means.Correspond to tyre pressure sensor 10, separately include a setting means 20 in the utility model and coordinate tyre pressure sensor 10, as shown in Figure 2, setting means 20 includes:
One second micro-control unit 21;
One for the ID (Identification) that stores tyre pressure sensor 10 internal storage location 22 with the communications protocol data, internal storage location 22 is connected with the second micro-control unit 21 telecommunications;
One display unit 23 for display setting instrument 20 operation informations, display unit 23 is connected with the second micro-control unit 21 telecommunications;
One for sending the magnetic force transmitter unit 25 of magnetic line of force, and magnetic force transmitter unit 25 is connected with the second micro-control unit 21 telecommunications, exemplary, and the magnetic force transmitter unit 25 of the present embodiment is an electromagnet;
One is connected with the second micro-control unit 21 telecommunications for the second low-frequency transmission interface 26, the second low-frequency transmission interfaces 26 that receive the tyre pressure sensor 10 feedback signal that sends;
One for supplying the second source 29 of setting means 20 required electric powers, and second source 29 is connected with the second micro-control unit 21 telecommunications.
As the further specific embodiment of the present embodiment, the setting means 20 of the present embodiment also includes: the second wireless transmission interface 27 and warning unit 24.
One is connected with the second micro-control unit 21 telecommunications for the second wireless transmission interface 27, the second wireless transmission interfaces 27 that receive the feedback signal that tyre pressure sensor 10 sends.In the setting means of the present embodiment, the second low-frequency transmission interface 26 and the second wireless transmission interface 27 can select a setting or the two all arranges or wherein one changes a wired splicing ear into.
One for sending the warning unit 24 of alerting, and warning unit 24 is connected with the second micro-control unit 21 telecommunications, exemplary, can adopt light or sound warning.
Embodiment tri-:
As shown in drawings, see through the structure of tyre pressure sensor 10 with the setting means 20 of embodiment bis-of embodiment mono-, the establishing method of the tyre pressure sensor of the present embodiment is as follows:
At first tyre pressure sensor 10 in one embodiment mono-is provided, and the setting means 20 in an embodiment bis-; Then the control program in setting means 20 is selected to download to tyre pressure sensor 10, after the second micro-control unit 21 codings by setting means 20, passed to described control program by magnetic force transmitter unit 25 magnetic force sensing cell 19 receptions of tyre pressure sensor 10; The first micro-control unit 11 of last tyre pressure sensor 10, after reading the waveform that magnetic force sensing cell 19 exports, restores control program originally and is stored in mnemon 12.
As shown in Figure 3, be the circuit diagram of this setting means 20 in the utility model with tyre pressure sensor 10 parts.Concrete, the second micro-control unit 21 of setting means 20 connects one and is controlled four transistor Q1, Q2, Q3, Q4 and connected the bridge circuit that a magnetic force transmitter unit 25 forms by four switches 28, wherein transistor Q3 and Q4 have ground connection, and this magnetic force transmitter unit 25 is an electromagnet in the present embodiment.
Schematic flow sheet when Fig. 4 is the utility model setting means setting operation.As shown in Figure 4, on setting means 20, select and will download to the control program on tyre pressure sensor 10, described control program can be because different depots be different from different car moneys.Then sending magnetic force transmitter unit 25 to after the second micro-control unit 21 codings by setting means 20 spreads out of control program, the mode of its control can be controlled Q1 and Q4 conducting Q2 and not conducting of Q3 for for example the second micro-control unit 21, electromagnet is conducting, now the magnetic force sensing cell 19 on tyre pressure sensor 10 can receive the N utmost point, and magnetic force sensing cell 19 is output as first micro-control unit 11 of Hi to tyre pressure sensor 10.And if the second micro-control unit 21 is controlled Q1 and not conducting of Q4 and Q2 and Q3 conducting, electromagnet is conducting, now the magnetic force sensing cell 19 on this tyre pressure sensor 10 can receive the S utmost point, and magnetic force sensing cell 19 is output as first micro-control unit 11 of Lo to tyre pressure sensor 10.
Mode by structure described above and control, the magnetic force transmitter unit 25 of setting means 20 can be transferred to control program tyre pressure sensor 10, and the first micro-control unit 11 of tyre pressure sensor 10 is reading waveform that magnetic force sensing cell 19 exports can restore control program originally and be stored in mnemon 12 by calculation in.And setting means 20 is understood the feedback signal that repeats transmission control procedures and wait for tyre pressure sensor 10.The first micro-control unit 11 of tyre pressure sensor 10 can be detectd the calculation of mistake after receiving data, and when the data of receiving when tyre pressure sensor 10 are correct, tyre pressure sensor 10 can see through the first wireless transmission interface 18 or the first low-frequency transmission interface 17 or wired coffret and send a feedback signal to setting means 20.Setting means 20 can stop spreading out of control program after receiving the feedback signal.Described control program in the present embodiment can be the different communications protocol journey of each label or the ID of tyre pressure sensor or the ID of communications protocol and tyre pressure sensor.
And as shown in Figure 5, if during the data mal that tyre pressure sensor 10 is received, tyre pressure sensor 10 will can not send the feedback signal to setting means 20.Setting means 20 can again spread out of control program and again receive once by tyre pressure sensor before not receiving the feedback signal, repeat this one the action receive the feedback signal to setting means 20 till.
In addition, can adopt transistor Q1, not conducting of Q2 for the problem of eliminating counter electromotive force in the present embodiment, the mode of transistor Q3, Q4 conducting or transistor Q1, Q2, Q3, the neither conducting of Q4 is eliminated to counter electromotive force, make the magnetically-actuated circuit can be two-way, the fast speed conversion.Do not limit will be in graphic disclosed mode for the magnetically-actuated circuit of setting means 20 in the present embodiment, not necessarily to use four two circuit modes of switch, also can use the mode in single loop for example to use single switch to control that the one way circuit of one-transistor and a magnetic force transmitter unit is the same can reach the effect of exporting magnetic force.With magnetic force, come transmission signal not only can reach the effect of transmission over radio, and in the design of circuit also comparatively simple, power saving more needn't be subject to the constraint of relevant radio rules, significantly improve the problem that previous wish is improved, also reached the purpose of this utility model.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. a tyre pressure sensor, is characterized in that, includes:
One first micro-control unit;
One mnemon, described mnemon is connected with described the first micro-control unit telecommunications;
One for the first power supply of described tyre pressure sensor required electric power is provided, and described the first power supply is connected with described the first micro-control unit telecommunications;
One for measuring the pressure sensitive unit of tire internal gas pressure value, and described pressure sensitive unit is connected with described the first micro-control unit telecommunications;
One for measuring the temperature induction unit of temperature in tire, and described temperature induction unit is connected with described the first micro-control unit telecommunications;
One for measuring the acceleration induction unit of tire acceleration/accel, and described acceleration induction unit is connected with described the first micro-control unit telecommunications;
One for sending the first low-frequency transmission interface of low-frequency signal, and described the first low-frequency transmission interface is connected with described the first micro-control unit telecommunications;
One receives the variation in magnetic field and the waveform transformation of variation is exported to the magnetic force sensing cell of described the first micro-control unit for sensing, and described magnetic force sensing cell is connected with described the first micro-control unit telecommunications.
2. tyre pressure sensor as claimed in claim 1, it is characterized in that: described magnetic force sensing cell is a hall sensor.
3. tyre pressure sensor as claimed in claim 1, it is characterized in that: described tyre pressure sensor also includes one for sending the first wireless transmission interface of signal, and described the first wireless transmission interface is connected with described the first micro-control unit telecommunications.
4. a setting means, is characterized in that, includes:
One second micro-control unit;
One for storing the internal storage location of tyre pressure sensor communications protocol data, and described internal storage location is connected with described the second micro-control unit telecommunications;
One for showing the display unit of described setting means operation information, and described display unit is connected with described the second micro-control unit telecommunications;
One for sending the magnetic force transmitter unit of magnetic line of force, and described magnetic force transmitter unit is connected with described the second micro-control unit telecommunications;
One sends the second low-frequency transmission interface of feedback signal for receiving tyre pressure sensor, described the second low-frequency transmission interface is connected with described the second micro-control unit telecommunications.
5. setting means as claimed in claim 4, it is characterized in that: described magnetic force transmitter unit is an electromagnet.
6. setting means as claimed in claim 4, it is characterized in that: described setting means also includes one for receiving the second wireless transmission interface of the feedback signal that tyre pressure sensor sends, and described the second wireless transmission interface is connected with described the second micro-control unit telecommunications.
7. setting means as claimed in claim 4, it is characterized in that: described setting means also includes one for sending the warning unit of alerting, and described warning unit is connected with described the second micro-control unit telecommunications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204348109U CN203331757U (en) | 2013-07-19 | 2013-07-19 | Magnetic force transmission type tire pressure sensor and setting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204348109U CN203331757U (en) | 2013-07-19 | 2013-07-19 | Magnetic force transmission type tire pressure sensor and setting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203331757U true CN203331757U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204348109U Withdrawn - After Issue CN203331757U (en) | 2013-07-19 | 2013-07-19 | Magnetic force transmission type tire pressure sensor and setting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203331757U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332076A (en) * | 2013-07-19 | 2013-10-02 | 上海为彪汽配制造有限公司 | Magnetic transmission type tire pressure sensor, setting tool and setting method |
| US9522579B1 (en) | 2015-06-02 | 2016-12-20 | Continental Automotive Systems, Inc. | Tire pressure monitoring sensor |
| US9579938B2 (en) | 2015-06-01 | 2017-02-28 | Continental Automotive Systems, Inc. | Apparatus and method to adjust LF sensitivity of TPM sensor |
-
2013
- 2013-07-19 CN CN2013204348109U patent/CN203331757U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332076A (en) * | 2013-07-19 | 2013-10-02 | 上海为彪汽配制造有限公司 | Magnetic transmission type tire pressure sensor, setting tool and setting method |
| CN103332076B (en) * | 2013-07-19 | 2015-12-02 | 上海为彪汽配制造有限公司 | Magnetic force conveying type tyre pressure sensor and setting means and establishing method |
| US9579938B2 (en) | 2015-06-01 | 2017-02-28 | Continental Automotive Systems, Inc. | Apparatus and method to adjust LF sensitivity of TPM sensor |
| US9522579B1 (en) | 2015-06-02 | 2016-12-20 | Continental Automotive Systems, Inc. | Tire pressure monitoring sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131211 Effective date of abandoning: 20151202 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |