CN2207573Y - Tyre low pressure remote-control alarm - Google Patents
Tyre low pressure remote-control alarm Download PDFInfo
- Publication number
- CN2207573Y CN2207573Y CN 94213520 CN94213520U CN2207573Y CN 2207573 Y CN2207573 Y CN 2207573Y CN 94213520 CN94213520 CN 94213520 CN 94213520 U CN94213520 U CN 94213520U CN 2207573 Y CN2207573 Y CN 2207573Y
- Authority
- CN
- China
- Prior art keywords
- receiver
- transmitter
- push rod
- alarm circuit
- pressure transducer
- 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 - Fee Related
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Abstract
The utility model relates to a tyre low pressure remote-control alarm, which is composed of a pressure sensor A, a transmitter B, a receiver and a light alarm circuit, wherein, the pressure sensor A is installed on an air valve D of an inner tube; the transmitter is installed at the position of a spindle nose C of an automobile semi-axis; the receiver and the light alarm circuit are installed in a driving cabin; the pressure sensor A which controls a power supply switch K1 of the transmitter and the output of the receiver is connected with the input end of the light alarm circuit. The utility model has the advantages of simple structure, convenient installation, high sensitivity and strong applicability.
Description
The utility model relates to a kind of tire infrabar remote annunciator, and it is applicable to automobile, means of transports such as tractor.
Chinese patent CN2085320U discloses a kind of " air pressure of automobile tire alarm ", and it is made up of power switch, support, contact arm and roller thereof, regulator bolts and spring thereof, and the power switch output line is connected to the alarm indication circuit.The shortcoming complex structure of this alarm should not be promoted the use of.
The purpose of this utility model provides tire infrabar remote control alarming unit a kind of simple in structure, easy for installation.
The purpose of this utility model is to realize like this, it is made up of pressure transducer A, transmitter B, receiver and optical alarm circuit, pressure transducer A is installed on the inner tube valve D, transmitter is installed in automobile axle shaft spindle nose C position, receiver and optical alarm circuit are installed in the pilothouse, the power switch K1 that pressure transducer A controls transmitter, the output of receiver connects the input end of optical alarm circuit.
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the scheme of installation of transmitter and pressure transducer.
Fig. 2 is the pressure sensor structure synoptic diagram.
Fig. 3 is the transmitter circuitry schematic diagram.
Fig. 4 is receiver and optical alarm circuit schematic diagram.
As shown in Figure 2, pressure transducer is made up of piston cylinder 1, piston rod 2, spring 3, push rod 4, push rod tube 5, push rod spring 6 and spring strut 7, piston cylinder 1 and push rod tube 5 are for being threaded, piston cylinder 1 and inner tube valve are for being threaded, spring strut 7 and push rod tube 5 are for being threaded, and mutually insulated.Spring strut 7 and push rod 4 mutually insulateds.Push rod 4 and spring strut 7 are in parallel with K switch 1 by lead respectively.As shown in Figure 3, transmitter is by triode BG7, quartz crystal J2, resistance R 17-R19, capacitor C 23-C25, and inductance L 3, antenna AN, K switch 1 are formed.Its transmission frequency is 27.095MHZ, and power is 10mW.
As shown in Figure 4, receiver is one to surpass the inner differential type receiver, and its sensitivity is 0.1mV/M.It by antenna, input stage, converter stage, local oscillator level, in put level, voltage amplifier stage and driving stage and form.Input stage is made up of capacitor C 1, inductance L 1; Converter stage is by triode BG2, capacitor C 8-C10, transformer B1, and capacitor C 11, resistance R 3, R4 form; The local oscillator level is made up of triode BG1, capacitor C 2-C6, quartz crystal JA, inductance L 2, resistance R 1, R2, and local frequency is 26.64MHZ; In put level for two-stage, by triode BG3, BG4, capacitor C 12-C17, transformer B2-B4, resistance R 6-R9 forms; Voltage amplifier stage is made up of triode BG5, transformer B4, resistance R 10, R11, capacitor C 19; Driving stage is made up of triode BG6, resistance R 12-R15, capacitor C 20.Optical alarm circuit is made up of light emitting diode LD and resistance R 17.
Principle of work of the present utility model is as follows:
The elastic force of the push rod spring of set pressure sensor is certain value, when interior tire pressure was in normal condition, interior air pressure promoted piston rod 2 pressuring springs 3 to left movement, and piston rod 3 promotes push rod 4 and oppresses push rod spring to left movement, K switch 1 is disconnected, and transmitter is not worked.When interior air pressure is lower than certain certain value, push rod spring 6 promotes push rod 4 and moves right, push rod 4 promotes piston rod 2 and moves right, ring washer on the push rod 4 contacts with packing ring 8 at this moment, and K switch 1 is connected transmitter work, receiver makes optical circuit work after receiving signal, remind driver's parking checking tire immediately, thereby greatly reduce loss, improved travel safety.
The utility model has the advantages that simple in structure, simple for production, easy for installation, highly sensitive, strong adaptability.
Claims (5)
1, a kind of tire infrabar remote annunciator, it is characterized in that it is made up of pressure transducer A, transmitter B, receiver and optical alarm circuit, pressure transducer A is installed on the inner tube valve D, transmitter B is installed in automobile axle shaft spindle nose C position, receiver and optical alarm circuit are installed in the pilothouse, pressure transducer A controls transmitter the power switch K1 of B, and the output of receiver connects the input end of optical alarm circuit.
2, alarm according to claim 1, it is characterized in that pressure transducer A is made up of piston cylinder 1, piston rod 2, spring 3, push rod 4, push rod tube 5, push rod spring 6 and spring strut 7, piston cylinder 1 and push rod tube 5 be for being threaded, and piston cylinder 1 and inner tube valve are for being threaded.
3, alarm according to claim 2 is characterized in that transmitter is made up of triode BG7, quartz crystal J2, resistance R 17-R19, capacitor C 23-C25, inductance L 3, antenna AN, K switch 1, and transmission frequency is that 27.095mHZ, power are 10mW.
4, alarm according to claim 3, it is characterized in that receiver be one surpass the inner differential type receiver, it by antenna, input stage, frequency converter, local oscillator level, in put level, voltage amplifier stage and driving stage and form.
5, alarm according to claim 4 is characterized in that optical alarm circuit is made up of light emitting diode LD and resistance R 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94213520 CN2207573Y (en) | 1994-05-27 | 1994-05-27 | Tyre low pressure remote-control alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94213520 CN2207573Y (en) | 1994-05-27 | 1994-05-27 | Tyre low pressure remote-control alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2207573Y true CN2207573Y (en) | 1995-09-13 |
Family
ID=33830062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94213520 Expired - Fee Related CN2207573Y (en) | 1994-05-27 | 1994-05-27 | Tyre low pressure remote-control alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2207573Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162180B (en) * | 2006-10-11 | 2010-08-18 | 桂林思超汽车科技有限公司 | Tyre bursting sensor |
| CN103180660A (en) * | 2010-09-21 | 2013-06-26 | 神火公司 | Lighting device with multi-position joystick |
-
1994
- 1994-05-27 CN CN 94213520 patent/CN2207573Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162180B (en) * | 2006-10-11 | 2010-08-18 | 桂林思超汽车科技有限公司 | Tyre bursting sensor |
| CN103180660A (en) * | 2010-09-21 | 2013-06-26 | 神火公司 | Lighting device with multi-position joystick |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |