CN204462732U - Intelligent instrument - Google Patents
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- CN204462732U CN204462732U CN201520115388.XU CN201520115388U CN204462732U CN 204462732 U CN204462732 U CN 204462732U CN 201520115388 U CN201520115388 U CN 201520115388U CN 204462732 U CN204462732 U CN 204462732U
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Abstract
The utility model provides a kind of intelligent instrument, it comprises instrument housing, the electron device be arranged in instrument housing, instrument housing has the visible exposed parts from outside, wherein, intelligent instrument also comprises flame detecting device, the exposed parts that this flame detecting device is arranged on instrument housing sentences the flame detected around intelligent instrument, and in response to the testing result of flame output detections signal.According to intelligent instrument of the present utility model without the need to being equipped with extra checkout equipment, saving site space, achieving fire defector in mode easily.
Description
Technical field
The utility model relates to industrial instrument field, relates to particularly such as at the intelligent instrument that high-risk occasion uses.
Background technology
The content of this part provide only the background information relevant to the disclosure, and it may not form prior art.
Industrial instrument is the opertaing device generally applied in site work.Along with the maturation of singlechip technology, intelligent instrument develops gradually and obtains widespread use.The industrial instrument used in some high-risk workplaces (such as, oil, chemical industry) is often in harsh working environment, such as, and the condition of a fire that surrounding enviroment may meet accident.If detection can not be carried out and early warning to this unexpected condition of a fire in time, then can cause equipment failure, thus affect whole site work process.
Existing a solution arranges extra checkout equipment at operation field, to detect and early warning contingent fortuitous event.A subject matter of this mode is, it requires the independent checkout equipment installed, thus the extra installing space that needs take, and cause equipment cost to increase.In addition, this extra flame detection equipment can not with intelligent instrument real-time communication, thus can not to intelligent instrument provide timely fault pre-alarming with protective meter.
Therefore, need to provide a kind of solution that can overcome the problems referred to above.
Utility model content
An object of the present utility model is to provide a kind of intelligent instrument, and himself is integrated with flame detecting device, can detect the condition of a fire in real time and send flame alarm.
Another object of the present utility model is to provide a kind of intelligent instrument, and it has telecommunications functions, can carry out remote control and regulation according to flame sensing signal to intelligent instrument.
Another object of the present utility model is to provide a kind of intelligent instrument, and it has network savvy, can realize the remote monitoring to field condition.
One or more in above-mentioned purpose can be realized by following proposal: provide a kind of intelligent instrument, it comprises instrument housing, the electron device be arranged in instrument housing, instrument housing has the visible exposed parts from outside, wherein, intelligent instrument also comprises flame detecting device, the exposed parts that this flame detecting device is arranged on instrument housing sentences the flame detected around intelligent instrument, and in response to the testing result of flame output detections signal.
Adopting such scheme, due to intelligent instrument being directly integrated with flame detecting device, therefore without the need to being equipped with extra checkout equipment, saving site space, achieve fire defector in mode easily, and communication can be implemented with intelligent instrument.
According to an embodiment of the present utility model, the electron device of intelligent instrument comprises control chip, control chip is arranged in instrument housing, communicate to connect with the detection signal received from flame detecting device with flame detecting device, and give the alarm to panalarm or controlling equipment based on detection signal.
According to an embodiment of the present utility model, control chip comprises at least one in following project: HART communication module, control chip based on from flame detecting device detection signal via HART communication module externally HART communication equipment give the alarm; RS-485 interface, control chip based on from flame detecting device detection signal via RS-485 interface externally watch-dog give the alarm; And SPI interface, control chip gives the alarm via the display of SPI interface to intelligent instrument based on the detection signal from flame detecting device.
According to an embodiment of the present utility model, the electronic unit of intelligent instrument comprises log pattern, log pattern generates alarm log based on the detection signal from flame detecting device, and alarm log to be stored in control chip or alarm log to be transferred to HART communication equipment and/or watch-dog stores.
According to an embodiment of the present utility model, intelligent instrument comprises or independently memory module integrated with log pattern, with store alarms daily record.
According to an embodiment of the present utility model, log pattern and memory module are integrated in control chip.
According to an embodiment of the present utility model, intelligent instrument also comprises signal conversion isolator, signal conversion isolator is connected between flame detecting device and control chip, the detection signal from flame detecting device is converted to digital input signals and digital input signals is sent to control chip.
According to an embodiment of the present utility model, the exposed parts of instrument housing is window part, and the display of flame detecting device and intelligent instrument is all arranged on window portion office.
According to an embodiment of the present utility model, intelligent instrument is provided with alarming device, and alarming device and flame detecting device communicate to connect, to receive and to give the alarm in response to the detection signal from flame detecting device.
According to an embodiment of the present utility model, alarming device is warning lamp or hummer.
According to an embodiment of the present utility model, flame detecting device comprises light activated element, and light activated element is arranged on exposed parts and sentences the light signal detected from flame, and generates based on the light signal detected and export corresponding electric signal; And comprise signal amplifier alternatively, signal amplifier and light activated element communicate to connect, receive and amplify the electric signal exported from light activated element, and the electric signal through amplifying is exported as detection signal.
According to an embodiment of the present utility model, light activated element is lead sulfide photodetector.
According to an embodiment of the present utility model, signal amplifier is the narrow-band amplifier of frequency of operation lower than 100Hz.
According to an embodiment of the present utility model, control chip is the Master control chip of intelligent instrument or is independently for the control chip of flame monitoring.
According to an embodiment of the present utility model, intelligent instrument is transmitter.
According to an embodiment of the present utility model, transmitter is the transmitter for flowmeter.
Accompanying drawing explanation
By the description referring to accompanying drawing, the feature and advantage of one or several embodiment of the present utility model will become easier to understand, wherein:
Fig. 1 is the schematic diagram being integrated with the intelligent instrument of flame detecting device according to a kind of embodiment of the utility model;
Fig. 2 is the fire defector of intelligent instrument according to a kind of embodiment of the utility model and the block diagram of alarm procedure;
Fig. 3 is the block diagram according to the flame detecting device in the intelligent instrument of a kind of embodiment of the utility model; And
Fig. 4 is the circuit diagram according to the flame detecting device in the intelligent instrument of a kind of embodiment of the utility model.
Embodiment
Description related to the preferred embodiment is only exemplary below, and is never the restriction to the utility model and application or usage.Adopt identical Reference numeral to represent identical parts in various figures, therefore the structure of same parts is by no longer repeated description.
Referring to Fig. 1-Fig. 4 description according to the basic structure with the intelligent instrument of flame monitoring function of the utility model embodiment and working method.
Fig. 1 shows the intelligent instrument 100 according to a kind of embodiment, and particularly, shown in figure is transmitter, especially, can be the transmitter for flowmeter.Certainly, principle of the present utility model is not limited to transmitter, but goes for any other intelligent instrument.Intelligent instrument 100 comprises the instrument housing 101 as agent structure, various electron device (not shown) is installed to realize the various functions of intelligent instrument 100 in instrument housing 101, instrument housing 101 also has the visible exposed parts 110 from outside.In example shown in Figure 1, this exposed parts 110 is the window part (this window part can be designed as watch window or display installs window) of intelligent instrument 100, and flame detecting device hereinafter described just will be arranged on this window portion office.In other embodiments, exposed parts 110 can be simply the housing parts of intelligent instrument 100.Generally, according to principle of the present utility model, visible part can be called exposed parts from outside for intelligent instrument 100 any.Example according to Fig. 1, flame detecting device 120 is arranged on exposed parts 110 place, its object is to can direct sensing to the flame of the existence of surrounding environment, the stop of miscellaneous part can not be subject to.Flame detecting device 120 after flare up fire being detected by according to detect result output detections signal VO (as shown in Figure 2).Particularly, the flame light signal received is converted to electric signal by flame detecting device 120, and then exports this electric signal to warning device or remote supervisory and control(ling) equipment as detection signal, and concrete mode will be described below.
Above-mentioned intelligent instrument 100 self is integrated with flame detecting device 120, thus without the need to independently external flame checkout equipment, saves site work space, and saved equipment cost.Integrated flame detecting device 120 can detect the condition of a fire of operation field in real time, and sends flame sensing signal.
With further reference to Fig. 1, except the flame detecting device for flame detection, exposed parts 110 place is also provided with some other common components, as illustrated in the drawing: display 111 (such as LCD display panel), status indicator LED 112, optical switch indicator 113, selection optical switch 114, downwards rolling optical switch 115 and the optical switch 116 that scrolls up.Select optical switch 114, downwards rolling optical switch 115 and the optical switch 116 that scrolls up for selecting a certain project in menu item.Meanwhile, when operation three optical switches 114,115,116, optical switch indicator 113 can send corresponding indicator signal.Status indicator LED 112 is used to indicate the duty of intelligent instrument 110, such as instruction screen lock-out state, setting parameter state, the system failure etc.These parts are parts conventional in intelligent instrument, and its concrete operations mode does not repeat them here.It should be noted that, status indicator LED 112 also can be used to refer to the instrument fault because the condition of a fire causes.
Particularly, control chip 140 is comprised according to the electron device in intelligent instrument 100 of the present utility model.This control chip 140 can be configured to the Master control chip of intelligent instrument 100, and in order to control the operation of whole intelligent instrument 100, this is comprising to the process of detection signal VO and warning.Or this control chip 140 also can be configured to the chip being independently exclusively used in fire defector, to perform process and the warning of detection signal VO.Control chip 140 can communicate to connect to receive the detection signal VO from flame detecting device 120 with flame detecting device 120.Further, control chip 140 can give the alarm to panalarm or controlling equipment based on the detection signal VO received.Particularly, control chip 140 can give the alarm to different upstream devices via different communication interfaces or communications protocol, such as panalarm, watch-dog or calibration equipment etc.Thus, control chip 140 can give the alarm in response to the detection signal received and carry out adjustment or monitoring to intelligent instrument.
Below, with further reference to Fig. 2, be specifically described according to the flame type of alarm of intelligent instrument 100 of the present utility model.
As shown in Figure 2, control chip 140 can receive the detection signal VO from flame detecting device 120, and gives the alarm based on this detection signal VO external device.Particularly, control chip 140 comprises HART communication module 141.Detection signal VO from flame detecting device 120 is sent to outside HART communication equipment 200 through HART communication module 141 thus by control chip 140.Particularly, detection signal VO will be sent by HART agreement." HART " full name be " HighwayAddressable Remote Transducer ", i.e. " highway addressable remote transducer ", be in industrial network for a kind of open communication agreement between field intelligent instrument and pulpit equipment, become the industrial standard of global intelligent instrument at present.Detection signal VO can be sent to outside HART communication equipment 200 by HART communication module 141 by intelligent instrument 100 of the present utility model, HART communication equipment 200 and then this detection signal VO can be sent to HART server, thus, the intelligent instrument 100 at scene can be carried out long-range adjustment and be safeguarded (such as setting parameter etc.) in response to this detection signal VO.
With further reference to Fig. 2, control chip 140 can also be provided with RS-485 interface 142, realizes the remote monitoring to intelligent instrument 100 thus.Detection signal VO from flame detecting device 120 is sent to monitoring outlay 300 through RS-485 interface 142 thus by control chip 140.RS-485 interface is also a kind of standard interface in industrial network, and this interface can realize network savvy, can realize the communications between the intelligent instrument of operation field and remote supervisory and control(ling) equipment, can complete the remote monitoring to field apparatus thus.In the utility model, by RS-485 interface 142, detection signal VO is sent to remote supervisory and control(ling) equipment 300, thus can the situation at monitoring task scene in real time.
Further, control chip 140 can also be provided with SPI interface 143, and the detection signal VO received is sent to the display 111 of intelligent instrument 100 by control chip 140 through SPI interface 143 thus.In the case, detection signal VO can be sent to display 111 via control chip 140, gives the alarm in a specific way (such as, occurring information or screen flicker etc.) to make display 111.In the example shown in figure 2, the exposed parts 110 of intelligent instrument is embodied as window part, and flame detecting device 120 and display 111 are all arranged on this window portion office.The abbreviation of above-mentioned SPI interface and Serial Peripheral Interface (SPI) (Serial Peripheral Interface), it can realize the communication between chip and output module, and advantage is that to take pin few, and the layout on PCB saves space, is simple and easy to use.
It should be noted that, although in the example shown in figure 2, control chip 140 includes HART communication module 141, RS-485 interface 142 and SPI interface 143 simultaneously, but in fact, in various embodiments, any one or multinomial in HART communication module 141, RS-485 interface 142 and SPI interface 143 can be set according to actual needs.
Especially, can comprise log pattern 144 according to the electronic unit in intelligent instrument 100 of the present utility model, this log pattern 144 can generate alert event daily record automatically based on detection signal VO, has access to for user.Particularly, alarm log comprises the timestamp of alert event and the field position of intelligent instrument.Certainly, the particular content of alarm log can be determined as required.
According to different designs, log pattern 144 generates alarm log, and the alarm log of generation is stored in control chip 140, or alarm log is transferred to HART communication equipment 200 and/or watch-dog 300 stores.
Further, intelligent instrument 100 can also comprise the memory module 145 for store alarms daily record, and this memory module 145 can integrate with log pattern 144, also can be the separate modular independent of log pattern 144.In the figure 2 example, log pattern 144 independent of each other and memory module 145 is shown.
Continue, with reference to Fig. 2, to be described according to the expansion embodiment of intelligent instrument 100 of the present utility model.Intelligent instrument 100 of the present utility model can also comprise optional signal conversion isolator 130, illustrates in fig. 2 with dotted line frame.The fundamental purpose of signalization conversion isolator 130 converts the detection signal VO of voltage form to be suitable for input control chip 140 digital input signals DI.Signal isolation isolator 130 can be connected between flame detecting device 120 and control chip 140.Detection signal VO from flame detecting device 120 (being specially signal amplifier 122) is converted into digital signal at signal conversion isolator 130 place, and is transferred into control chip 140.It should be noted that, this signal conversion isolator 130 is optional configurations, also directly detection signal VO can be sent to control chip 140, and control chip 140 self can to this detection signal VO process, makes it be converted to be suitable for the signal form used.
Below, with reference to Fig. 3, be described according to the concrete formation of the flame detecting device 120 in intelligent instrument 100 of the present utility model.Flame detecting device 120 of the present utility model mainly comprises light activated element 121 and optional signal amplifier 122.In the present example illustrated in fig. 3, flame detecting device 120 comprises light activated element 121 and signal amplifier 122 simultaneously, and this mode can provide the detection signal of optimization.In other embodiments, flame detecting device 120 also can not comprise signal amplifier 122.
According to the utility model, be arranged on the light signal So that light activated element 121 flame detection in window part 110 sends, and generate based on the light signal So detected and export corresponding electric signal Se.As shown in Figure 3, the light signal So from light source (flame source) is sent to light activated element 121 via optical path OP.Signal amplifier 122 and light activated element 121 communicate to connect, and to receive and to amplify the electric signal Se exported from light activated element 121, and are exported as detection signal VO by the electric signal Se through amplifying.
Fig. 4 shows an exemplary circuit diagram according to flame detecting device 120 of the present utility model, which employs constant voltage biasing circuit, object is in order to after replacing photoresistance or long-time use, the change of circuit devcie resistance can not output signal in appreciable impact, thus ensures that flame detecting device can work steadily in the long term.
Especially, the light activated element 121 of flame detecting device 120 is lead sulfide photodetector.Photoresistance is the optical detection device made according to photoconductive effect, and its resistance can change along with the change of illumination power, is a kind of sensitive photometry element.Lead sulfide photodetector is then photosensitive device the sensitiveest in near-infrared band (1 μm ~ 3 μm), and its dark resistance is 1M Ω, and light resistance is 0.2M Ω (illuminance 0.01W/m
2lower test), peak wavelength is 2.2 μm, is the wavelength of the peak of radiation spectrum of flame just.
Further, according to principle of the present utility model, the material of light activated element 121 is selected according to the different combustible substances generating flame.Different combustible substances can produce the flame sending different-waveband scope, simultaneously, light activated element 121 light for specific band scope of unlike material are sensitiveer, exceed this specific band, light activated element 121 just not easily detect light signal or the signal detected more weak.Thus, the light activated element 121 of specific materials can be selected according to the combustible substance of expection.Except lead sulfide photodetector, cadmium sulfide, aluminium sulfide and bismuth sulfide photoresistance are also available.
In addition, according to the utility model, intelligent instrument 100 can also arrange extra alarming device 123 (as shown in Figure 3), this alarming device 123 and flame detecting device 120 are (particularly, signal amplifier 122) communication connection, receive and give the alarm in response to the detection signal VO from flame detecting device 120.
Warning device 123 can have multiple implementation, can be such as warning lamp or hummer.In the case, the detection signal VO from flame detecting device 120 can directly be sent to warning lamp or hummer, makes warning lamp glimmer or hummer is occurred, thus sends condition of a fire alarm to staff.
Be exactly the basic comprising according to exemplary intelligent instrument 100 of the present utility model and working method above, this intelligent instrument can be implemented as multiple instrument, such as transmitter or valve positioner etc.
Intelligent instrument of the present utility model is integrated with flame monitoring function, achieves the detection of flame with simple circuit and modular design.Further, by configuration control chip, remote alarms, monitoring and adjustment can be realized.Intelligent instrument of the present utility model can be applied to any high-risk operations occasion with fire risk, can the operating environment of monitoring site in real time, according to dangerous situation, real-time adjustment is carried out to field apparatus, avoid the dangerous situation of operation field on the impact of implement and whole operation process.
Although described various embodiment of the present utility model in detail at this, but should be appreciated that the utility model is not limited to the embodiment described in detail and illustrate here, other modification and variant can be realized when not departing from essence of the present utility model and scope by those skilled in the art.All these modification and variant all fall in scope of the present utility model.And all components described here can be replaced by component equivalent in other technologies.
Claims (16)
1. an intelligent instrument (100), it is characterized in that, described intelligent instrument (100) comprises instrument housing (101), the electron device be arranged in described instrument housing (101), described instrument housing (101) has the visible exposed parts (110) from outside, wherein, described intelligent instrument (100) also comprises:
Flame detecting device (120), the described exposed parts (110) that described flame detecting device (120) is arranged on described instrument housing (101) is sentenced and is detected described intelligent instrument (100) flame around, and in response to the testing result of flame output detections signal (VO).
2. intelligent instrument according to claim 1 (100), is characterized in that, the electron device of described intelligent instrument (100) comprising:
Control chip (140), described control chip (140) is arranged in described instrument housing (101), communicate to connect with the described detection signal (VO) received from described flame detecting device (120) with described flame detecting device (120), and give the alarm to panalarm or controlling equipment based on described detection signal (VO).
3. intelligent instrument according to claim 2 (100), is characterized in that, described control chip (140) comprises at least one in following project:
HART communication module (141), described control chip (140) based on from described flame detecting device (120) described detection signal (VO) via described HART communication module (141) externally HART communication equipment (200) give the alarm;
RS-485 interface (142), described control chip (140) based on from described flame detecting device (120) described detection signal (VO) via described RS-485 interface (142) externally watch-dog (300) give the alarm; And
SPI interface (143), described control chip (140) gives the alarm via the display (111) of described SPI interface (143) to described intelligent instrument (100) based on the described detection signal (VO) from described flame detecting device (120).
4. intelligent instrument according to claim 3 (100), it is characterized in that, the electronic unit of described intelligent instrument (100) comprises log pattern (144), described log pattern (144) generates alarm log based on the described detection signal (VO) from described flame detecting device (120), and described alarm log to be stored in described control chip (140) or described alarm log to be transferred to described HART communication equipment (200) and/or described watch-dog (300) stores.
5. intelligent instrument according to claim 4 (100), it is characterized in that, described intelligent instrument (100) comprises or independently memory module (145) integrated with described log pattern (144), to store described alarm log.
6. intelligent instrument according to claim 5 (100), is characterized in that, described log pattern (144) and described memory module (145) are integrated in described control chip (140).
7. intelligent instrument according to claim 2 (100), it is characterized in that, described intelligent instrument (100) also comprises signal conversion isolator (130), described signal conversion isolator (130) is connected between described flame detecting device (120) and described control chip (140), the described detection signal (VO) from described flame detecting device (120) is converted to digital input signals (DI) and described digital input signals (DI) is sent to described control chip (140).
8. the intelligent instrument (100) according to any one of claim 1-7, it is characterized in that, the described exposed parts (110) of described instrument housing (101) is window part, and the display (111) of described flame detecting device (120) and described intelligent instrument (100) is all arranged on described window portion office.
9. intelligent instrument according to any one of claim 1 to 7 (100), it is characterized in that, described intelligent instrument (100) is provided with alarming device (123), described alarming device (123) and described flame detecting device (120) communicate to connect, to receive and to give the alarm in response to the described detection signal (VO) from described flame detecting device (120).
10. intelligent instrument according to claim 9 (100), is characterized in that, described alarming device (123) is warning lamp or hummer.
11. intelligent instruments according to any one of claim 1 to 7 (100), is characterized in that, described flame detecting device (120) comprising:
Light activated element (121), described light activated element (121) is arranged on described exposed parts (110) and sentences the light signal (So) detected from flame, and generates based on the light signal detected and export corresponding electric signal (Se);
And comprise alternatively:
Signal amplifier (122), described signal amplifier (122) and described light activated element (121) communicate to connect, receive and amplify the described electric signal (Se) exported from described light activated element (121), and the described electric signal (Se) through amplifying is exported as described detection signal (VO).
12. intelligent instruments according to claim 11 (100), is characterized in that, described light activated element (121) is lead sulfide photodetector.
13. intelligent instruments according to claim 11 (100), is characterized in that, described signal amplifier (122) is for frequency of operation is lower than the narrow-band amplifier of 100Hz.
14. intelligent instruments (100) according to any one of claim 2 to 7, it is characterized in that, the Master control chip that described control chip (140) is described intelligent instrument (100) or be independently for the control chip of flame monitoring.
15. intelligent instruments according to any one of claim 1 to 7 (100), is characterized in that, described intelligent instrument is transmitter.
16. intelligent instruments according to claim 15 (100), is characterized in that, described transmitter is the transmitter for flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520115388.XU CN204462732U (en) | 2015-02-25 | 2015-02-25 | Intelligent instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520115388.XU CN204462732U (en) | 2015-02-25 | 2015-02-25 | Intelligent instrument |
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| Publication Number | Publication Date |
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| CN204462732U true CN204462732U (en) | 2015-07-08 |
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| CN201520115388.XU Active CN204462732U (en) | 2015-02-25 | 2015-02-25 | Intelligent instrument |
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| CN (1) | CN204462732U (en) |
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- 2015-02-25 CN CN201520115388.XU patent/CN204462732U/en active Active
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