CN2503462Y - Instrument with alarm - Google Patents
Instrument with alarm Download PDFInfo
- Publication number
- CN2503462Y CN2503462Y CN 01252141 CN01252141U CN2503462Y CN 2503462 Y CN2503462 Y CN 2503462Y CN 01252141 CN01252141 CN 01252141 CN 01252141 U CN01252141 U CN 01252141U CN 2503462 Y CN2503462 Y CN 2503462Y
- Authority
- CN
- China
- Prior art keywords
- alarm
- hairspring
- fan
- driving gear
- shaped driving
- 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 discloses a meter with an alarm apparatus, and comprises a dial plate, an indicating needle, a spring tube for inputting signals, a pull rod, a fan-shaped driving gear shaft, a main hairspring, a driven gear shaft, an auxiliary hairspring, an alarm apparatus and a power supply. The utility model is characterized in that a section of insulation tooth section is embedded in the middle of the main fan-shaped driving gear. The main hairspring, the fan-shaped driving gear shaft, the driven gear shaft, the auxiliary hairspring, the alarm apparatus and the power supply form an alarm loop. When the signal input enables the indicating needle to indicate an operating range which is lower or higher than the operating range, the engagement range of the driven gear and the fan-shaped driving gear exceeds the insulation tooth section, the insulation tooth section is engaged with a conductor tooth section, the alarm apparatus circuit forms a channel, the alarm apparatus sends out the alarm signal to remind the operating personnel or the relative personnel, thus avoiding the occurrence of an accident. The meter has the advantages that the structure is simple, the operational reliability is good, the cost is low, and the utility model is a meter with broad application.
Description
Technical field:
The utility model relates to a kind of measurement instrument, especially with the mechanical type instrument of alarm.
Background technology:
Existing common mechanical formula instrument has only the function of indication measurement numerical value, can learn the working condition of the equipment of this machine from the indicated value of instrument.Registration as the water-thermometer on the automobile, oil manometer is the serviceability that is directly connected to engine; The registration of rain glass, pressure vacuum gauge is the important criterion that the driver understands this car brake gear performance quality when driving.Must pay close attention to its registration constantly as these instrument, and the driver is when driving particularly on highway, sight all is the road of watching the place ahead attentively mostly, the basic busy registration of going to pay close attention on the instrument.If just during the registration on the driver does not care for appearances, make registrations such as oil manometer or rain glass arrive extreme position because of some fault, illustrate that this car has broken down can not travel down again, and the driver find not that the consequence of travelling down again can be very serious.At present in order to replenish the weak point on the instrument, generally all adopt induction plug that alerting signal is provided, for example hypotony or too high warning induction plug and temperature are crossed low or too high warning induction plug, provide alerting signal by induction plug, making reports to the police sends out a warning or sounds, to remind busy operator.The principle great majority of warning induction plug are that the elastic force that utilizes spring, thermistor voltage dependent resistor (VDR) etc. are made, and it is to make camber of spring make alarm equipment alarm to the certain position energized under the effect of pressure or amount of heat; Moreover the resistance value of voltage dependent resistor (VDR) or thermistor also changes when the variation of pressure or heat, and the variation of resistance value just can make alarm equipment alarm.The technology more complicated that the warning induction plug is made, it also can be because of the force variation of spring, and the induced signal error appears in the variation of voltage.
Summary of the invention:
The purpose of this utility model provides a kind of simple in structure, the instrument of the band alarm that dependable performance and cost are low.
The utility model comprises bourdon tube, pull bar, fan-shaped driving gear shaft and main hairspring thereof, driven gear shaft and secondary hairspring, alarm and the power supply thereof of dial plate, pointer, input signal, it is characterized in that:
The centre of the fan-shaped driving gear of leading is embedded with one section insulation tooth section.
Described main hairspring, a fan-shaped movable gear shaft, driven gear shaft, secondary hairspring, alarm and power supply thereof constitute the electric loop of reporting to the police in regular turn.
The instrument of said structure, input signal passes through bourdon tube, make bourdon tube produce distortion, its distortion is subjected to displacement the termination, this displacement drives fan-shaped driving gear shaft by pull bar and rotates, the follower shaft that is engaged with also rotates, and the pointer that is fixed on the follower shaft then indicates corresponding value on dial plate, have the basic function of instrument; Warning circuit constitutes the loop by main hairspring, fan-shaped driving gear shaft, driven gear shaft, secondary hairspring, alarm and power supply in regular turn.Insulation tooth section in the fan-shaped driving gear is rotated with the follower gear engagement in the instrument normal range of operation, in whole warning circuit, except that insulation tooth section, is conductor.So under normal circumstances, follower gear and insulation tooth section engagement operation, warning circuit is obstructed; When the signal of input points to pointer to be below or above normal range of operation, the engagement range of follower gear and fan-shaped driving gear has exceeded insulation tooth section, and mesh with conductor tooth section, alarm circuit forms path, alarm sends alerting signal, remind the operating personnel or the relevant personnel's attention, avoid having an accident.This instrument compared with the existing, and is simple in structure, functional reliability good, and cost is low, is a kind of broad-spectrum instrument.
Description of drawings:
Following structure accompanying drawing elaborates to the utility model.
Shown in Figure 1, be the utility model structural representation.
Embodiment:
As can be known, it comprises dial plate 1, pointer 2, conductor follower gear 4 and rotating shaft 5 thereof and secondary hairspring 6, fan-shaped driving gear 7 and rotating shaft 12 thereof and main hairspring 11, input signal bourdon tube 9 and pull bar 10, alarm 14 and power supply 13 thereof in the utility model structural representation shown in Figure 1.Wherein, dial plate 1 front is provided with scale mark 3, is marked with normal range of operation at this scale mark 3, and crosses low value A and too high value B scale mark.In order to see the structure of dial plate 1 back clearly, broken section has been made in dial plate 1 lower part.In like manner, in order to represent the structure of the secondary hairspring 6 below the follower gear 4, broken section has also been made on these gear 4 right sides.As we know from the figure, be fixed with an end of secondary hairspring 6 on the axle 5 of the central lower of follower gear 4, these pair hairspring 6 other ends are fixed on the insulcrete 15, and are connected with the lead of alarm 14.The rear end of the upper end of driven gear shaft 5 and pointer 2 is fixedly sleeved, the scale mark 3 on the front end written instructions dial plate 1 of pointer 2.The gear of fan-shaped driving gear 7 and follower gear 4 engagements are embedded with one section insulation tooth 8 in the centre of this driving gear 7, this section insulation tooth 8 is corresponding with pointer 2 indication normal range of operation values.On the right of fan-shaped driving gear 7, connect with an end of pull bar 10 is movable; The other end of pull bar 10 and 9 movable connections of the bourdon tube of input signal; The other end of bourdon tube 9 connects with extraneous.In the rotating shaft 12 of driving gear 7 belows, be fixed with an initiatively end of hairspring 11; The other end of this hairspring 11 is fixed on another insulcrete 15, and is connected with the lead of power supply 13.One in the lead-in wire of alarm 14 is connected with secondary hairspring 6, and another is connected with power supply 13, thereby constitutes electric loop.Alarm 14 can be light warning, buzzing or language alarm, or it is existing matured product, as long as alerting signal is promptly sent in an energising in conjunction with reporting to the police etc.
The instrument of this section alarm is work like this: when the input end input of detection signal from bourdon tube 9, make bourdon tube 9 produce deformation displacement, rotate by the fan-shaped driving gear 7 of pull bar 10 pullings, rotate the scale mark 3 on 2 indication dial plates 1 of pointer with the follower gear 4 of driving gear 7 engagements thereupon.When detection signal during in normal range, fan-shaped driving gear 7 and follower gear 4 are in 8 engagements of insulation tooth section; When the measured value of detection signal is crossed when low or too high, the engagement of fan-shaped driving gear 7 and conductor follower gear 4 has exceeded the insulating segment 8 in the driving gear 7, promptly initiatively partly be meshed with the conductor of follower gear, connect warning circuit, make it to send alerting signal, remind the relevant personnel, prevent the generation of accident, reach purpose of safety.
The instrument of above-mentioned band alarm also can be used for the control of the aspects such as air pressure, hydraulic pressure temperature and heat energy of certain limit except that the indication that is used for measured value and reporting to the police, alarm is got final product as a switch.No matter be used to control what physical quantity, or measure what physical magnitude of indication,, be the scope of the utility model protection so long as adopted the instrument of this structure.
Claims (2)
1, a kind of instrument with alarm, it comprises bourdon tube (9), pull bar (10), fan-shaped driving gear shaft (8,12) and main hairspring (11) thereof, driven gear shaft (4,5) and secondary hairspring (6), alarm (14) and the power supply (13) thereof of dial plate (1), pointer (2), input signal, it is characterized in that:
The centre of the fan-shaped driving gear of leading (7) is embedded with one section insulation tooth section (8).
2, according to the instrument of 1 described band alarm as requested, it is characterized in that:
Described main hairspring (11), fan-shaped driving gear (7) and axle (12), follower gear (4) and axle (5), secondary hairspring (6), alarm (14) and power supply (13) thereof constitute alarm circuit in regular turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01252141 CN2503462Y (en) | 2001-10-12 | 2001-10-12 | Instrument with alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01252141 CN2503462Y (en) | 2001-10-12 | 2001-10-12 | Instrument with alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2503462Y true CN2503462Y (en) | 2002-07-31 |
Family
ID=33661917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01252141 Expired - Fee Related CN2503462Y (en) | 2001-10-12 | 2001-10-12 | Instrument with alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2503462Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111306A (en) * | 2016-01-29 | 2016-11-16 | 宏大国源（芜湖）资源环境治理有限公司 | A kind of building stones crush the automation detection and control equipment of dust |
| CN106327838A (en) * | 2016-09-21 | 2017-01-11 | 青岛海信移动通信技术股份有限公司 | Temperature alarm device and system, and refrigerator |
-
2001
- 2001-10-12 CN CN 01252141 patent/CN2503462Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111306A (en) * | 2016-01-29 | 2016-11-16 | 宏大国源（芜湖）资源环境治理有限公司 | A kind of building stones crush the automation detection and control equipment of dust |
| CN106327838A (en) * | 2016-09-21 | 2017-01-11 | 青岛海信移动通信技术股份有限公司 | Temperature alarm device and system, and refrigerator |
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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 |