CN204128927U - A kind of haze monitor and alarm system - Google Patents
A kind of haze monitor and alarm system Download PDFInfo
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- CN204128927U CN204128927U CN201420539158.1U CN201420539158U CN204128927U CN 204128927 U CN204128927 U CN 204128927U CN 201420539158 U CN201420539158 U CN 201420539158U CN 204128927 U CN204128927 U CN 204128927U
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Abstract
The utility model discloses a kind of haze monitor and alarm system, comprise haze sensor, amplifying circuit, wireless base station apparatus, reception and forwarding server and monitoring, alarming center, the output terminal of haze sensor is connected with the input end of amplifying circuit, the output terminal of amplifying circuit is connected with the input end of wireless base station apparatus, and reception and forwarding server are connected with wireless base station apparatus and monitoring, alarming center respectively; The signal that haze sensor exports processes by amplifying circuit, when haze concentration is greater than setting value, information is sent to reception and forwarding server by wireless base station apparatus, information is sent to monitoring, alarming center by reception and forwarding server again, and monitoring, alarming receive centre is to delivering warning message.The utility model can monitor the haze concentration in air in real time accurately, and when the concentration of the haze in air is greater than setting value, monitoring, alarming center receives wireless base station apparatus by reception and forwarding server and sends warning message.
Description
Technical field
The utility model relates to a kind of monitoring system, particularly relates to a kind of haze monitor and alarm system.
Background technology
Along with expanding economy and social progress, many industrial sectors create a large amount of sulphuric dioxide, nitrogen sulfide and pellet in process of production, cause the generation of haze phenomenon, and these materials can cause huge harm to health and environment.Haze can make air visibility reduce, and causes traffic hazard, also can increase the probability of happening of the diseases such as human respiratory tract's infection simultaneously.It is large that haze monitoring equipment has monitoring range; flexible configuration; low in energy consumption; destroy little to physical environment; feature with low cost; can realize the multi-point remote multiparameter real time on-line monitoring to gaseous environment, the monitoring change gaseous environment and environmental protection have great development prospect and realistic meaning.
Utility model content
The utility model is intended at least solve the technical matters existed in prior art, especially innovatively proposes a kind of haze monitor and alarm system.
In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of haze monitor and alarm system, comprise haze sensor, amplifying circuit, wireless base station apparatus, receive and forwarding server and monitoring, alarming center, the output terminal of described haze sensor is connected with the input end of described amplifying circuit, described amplifying circuit comprises: the normal phase input end of the second operational amplifier is connected with the first end of the first resistance, second end of described first resistance is connected with the output terminal of described second operational amplifier, second end of described first resistance is connected with the first end of the 3rd resistance again, second end of described 3rd resistance is connected with the normal phase input end of the 5th operational amplifier, second end of described 3rd resistance is connected with the first end of the 5th resistance again, second end of described 5th resistance is connected with the output terminal of described 5th operational amplifier, the inverting input of described 5th operational amplifier is connected with the first end of the 6th resistance, be connected second end of described 6th resistance and power supply, the inverting input of described 5th operational amplifier is connected with the first end of the 4th resistance again, second end of described 4th resistance is connected with the output terminal of the first operational amplifier, second end of described 4th resistance is connected with the first end of the second resistance again, second end of described second resistance is connected with the normal phase input end of the first operational amplifier, second end of described second resistance is connected with the first end of the first slide-changing resistor and sliding end again, second end of described first slide-changing resistor is connected with the normal phase input end of described second operational amplifier, the inverting input of described first operational amplifier is connected with the first end of the 7th resistance, second end of described 7th resistance is connected with the sliding end of the second slide-changing resistor, the first end of described second slide-changing resistor is connected with the first power supply, be connected second end of described second slide-changing resistor and power supply, the inverting input of described second operational amplifier is connected with the first end of the 9th resistance, the output terminal of described 5th operational amplifier is connected with the normal phase input end of the 3rd comparer, the inverting input of described 3rd comparer is connected with the first end of the 8th resistance, second end of described 8th resistance is connected with the sliding end of the 3rd slide-changing resistor, the first end of described 3rd slide-changing resistor is connected with second source, be connected second end of described 3rd slide-changing resistor and power supply, the output terminal of described amplifying circuit is connected with the input end of wireless base station apparatus, described reception and forwarding server are connected with described wireless base station apparatus and described monitoring, alarming center respectively, the signal that described haze sensor exports processes by described amplifying circuit, when haze concentration is greater than setting value, information is sent to described reception and forwarding server by described wireless base station apparatus, information is sent to described monitoring, alarming center by described reception and forwarding server again, and described monitoring, alarming receive centre is to delivering warning message.The signal that haze sensor exports is carried out differential amplification by this amplifying circuit, improves common-mode rejection ratio, ensure signal degree of accuracy.And circuit is simply easy to realize.
In a kind of preferred implementation of the present utility model, described reception and forwarding server are BDS or GPS.There is non-blind area, reliability high.
In a kind of preferred implementation of the present utility model, also comprise voltage emitter-follower, the input end of described voltage emitter-follower and output terminal are connected between the output terminal of described 5th operational amplifier and the normal phase input end of the 3rd comparer.
Utilize the input impedance of voltage emitter-follower large, output impedance is little, and common-mode rejection ratio is enhanced.
In a kind of preferred implementation of the present utility model, also comprise the one one electric capacity, one or two electric capacity, one one resistance and the one or two resistance, described one one electric capacity is connected between the inverting input of described second operational amplifier and the first end of described 9th resistance, the first end of described one one resistance is connected with the first end of described one one electric capacity, be connected second end of described one one resistance and power supply, the first end of described one or two resistance is connected with the second end of described one one electric capacity, second end of described one or two resistance is connected with the output terminal of the second operational amplifier, described one or two electric capacity is connected between the first end of described 9th resistance and the first end of described one or two resistance.
This circuit effectively plays and only allows the signal of certain frequency band to pass through, and eliminates the harmful effect that other signals cause circuit.
In a kind of preferred implementation of the present utility model, described second operational amplifier and the 3rd operational amplifier all adopt OP07 amplifier.
Adopt OP07 to make circuit sensitivity higher, Detection results is more obvious.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are: native system can monitor the haze concentration in air in real time accurately, and when haze concentration is greater than setting value, monitoring, alarming center sends warning message.
Accompanying drawing explanation
Fig. 1 is amplifying circuit schematic diagram of the present utility model.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
The utility model provides a kind of haze monitor and alarm system, as shown in Figure 1, comprise haze sensor, amplifying circuit, wireless base station apparatus, receive and forwarding server and monitoring, alarming center, the output terminal of haze sensor is connected with the input end of amplifying circuit, amplifying circuit comprises: the normal phase input end of the second operational amplifier is connected with the first end of the first resistance, second end of the first resistance is connected with the output terminal of the second operational amplifier, second end of the first resistance is connected with the first end of the 3rd resistance again, second end of the 3rd resistance is connected with the normal phase input end of the 5th operational amplifier, second end of the 3rd resistance is connected with the first end of the 5th resistance again, second end of the 5th resistance is connected with the output terminal of the 5th operational amplifier, the inverting input of the 5th operational amplifier is connected with the first end of the 6th resistance, be connected second end of the 6th resistance and power supply, the inverting input of the 5th operational amplifier is connected with the first end of the 4th resistance again, second end of the 4th resistance is connected with the output terminal of the first operational amplifier, second end of the 4th resistance is connected with the first end of the second resistance again, second end of the second resistance is connected with the normal phase input end of the first operational amplifier, second end of the second resistance is connected with the first end of the first slide-changing resistor and sliding end again, second end of the first slide-changing resistor is connected with the normal phase input end of the second operational amplifier, the inverting input of the first operational amplifier is connected with the first end of the 7th resistance, second end of the 7th resistance is connected with the sliding end of the second slide-changing resistor, the first end of the second slide-changing resistor is connected with the first power supply, be connected second end of the second slide-changing resistor and power supply, the inverting input of the second operational amplifier is connected with the first end of the 9th resistance, the output terminal of the 5th operational amplifier is connected with the normal phase input end of the 3rd comparer, the inverting input of the 3rd comparer is connected with the first end of the 8th resistance, second end of the 8th resistance is connected with the sliding end of the 3rd slide-changing resistor, the first end of the 3rd slide-changing resistor is connected with second source, be connected second end of the 3rd slide-changing resistor and power supply, the output terminal of amplifying circuit is connected with the input end of wireless base station apparatus, reception and forwarding server are connected with wireless base station apparatus and monitoring, alarming center respectively, the signal that haze sensor exports processes by amplifying circuit, when haze concentration is greater than setting value, information is sent to reception and forwarding server by wireless base station apparatus, information is sent to monitoring, alarming center by reception and forwarding server again, and monitoring, alarming receive centre is to delivering warning message.In the present embodiment, reception and forwarding server are BDS or GPS.
Should be noted that, the first end of the normal phase input end of the first operational amplifier with the 7th resistance can be connected, the inverting input of the first operational amplifier is connected with the second end of the second resistance; The normal phase input end of the second operational amplifier is connected with the first end of the first resistance, and the inverting input of the second operational amplifier is connected with the first end of the 9th resistance; That is to say that other components and parts do not do any change by the normal phase input end of the first operational amplifier and the second operational amplifier and inverting input switch.In the present embodiment, namely what comparator output terminal exported is digital signal is low and high level.
Wherein, haze sensor, amplifying circuit, wireless base station apparatus are multiple, are placed in different sections.Further, haze sensor is existing haze sensor.
In a kind of preferred implementation of the present utility model, also comprise voltage emitter-follower, the input end of voltage emitter-follower and output terminal are connected between the output terminal of the 5th operational amplifier and the normal phase input end of the 3rd comparer.
In a kind of preferred implementation of the present utility model, also comprise the one one electric capacity, one or two electric capacity, one one resistance and the one or two resistance, one one electric capacity is connected between the inverting input of the second operational amplifier and the first end of the 9th resistance, the first end of the one one resistance is connected with the first end of the one one electric capacity, be connected second end of the one one resistance and power supply, the first end of the one or two resistance is connected with the second end of the one one electric capacity, second end of the one or two resistance is connected with the output terminal of the second operational amplifier, one or two electric capacity is connected between the first end of the 9th resistance and the first end of the one or two resistance.
In a kind of preferred implementation of the present utility model, the second operational amplifier and the 3rd operational amplifier all adopt OP07 amplifier.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (5)
1. a haze monitor and alarm system, it is characterized in that, comprise haze sensor, amplifying circuit, wireless base station apparatus, receive and forwarding server and monitoring, alarming center, the output terminal of described haze sensor is connected with the input end of described amplifying circuit, described amplifying circuit comprises: the normal phase input end of the second operational amplifier is connected with the first end of the first resistance, second end of described first resistance is connected with the output terminal of described second operational amplifier, second end of described first resistance is connected with the first end of the 3rd resistance again, second end of described 3rd resistance is connected with the normal phase input end of the 5th operational amplifier, second end of described 3rd resistance is connected with the first end of the 5th resistance again, second end of described 5th resistance is connected with the output terminal of described 5th operational amplifier, the inverting input of described 5th operational amplifier is connected with the first end of the 6th resistance, be connected second end of described 6th resistance and power supply, the inverting input of described 5th operational amplifier is connected with the first end of the 4th resistance again, second end of described 4th resistance is connected with the output terminal of the first operational amplifier, second end of described 4th resistance is connected with the first end of the second resistance again, second end of described second resistance is connected with the normal phase input end of the first operational amplifier, second end of described second resistance is connected with the first end of the first slide-changing resistor and sliding end again, second end of described first slide-changing resistor is connected with the normal phase input end of described second operational amplifier, the inverting input of described first operational amplifier is connected with the first end of the 7th resistance, second end of described 7th resistance is connected with the sliding end of the second slide-changing resistor, the first end of described second slide-changing resistor is connected with the first power supply, be connected second end of described second slide-changing resistor and power supply, the inverting input of described second operational amplifier is connected with the first end of the 9th resistance, the output terminal of described 5th operational amplifier is connected with the normal phase input end of the 3rd comparer, the inverting input of described 3rd comparer is connected with the first end of the 8th resistance, second end of described 8th resistance is connected with the sliding end of the 3rd slide-changing resistor, the first end of described 3rd slide-changing resistor is connected with second source, be connected second end of described 3rd slide-changing resistor and power supply, the output terminal of described amplifying circuit is connected with the input end of wireless base station apparatus, described reception and forwarding server are connected with described wireless base station apparatus and described monitoring, alarming center respectively, the signal that described haze sensor exports processes by described amplifying circuit, when haze concentration is greater than setting value, information is sent to described reception and forwarding server by described wireless base station apparatus, information is sent to described monitoring, alarming center by described reception and forwarding server again, and described monitoring, alarming receive centre is to delivering warning message.
2. haze monitor and alarm system according to claim 1, is characterized in that, described reception and forwarding server are BDS or GPS.
3. haze monitor and alarm system according to claim 1, it is characterized in that, also comprise voltage emitter-follower, the input end of described voltage emitter-follower and output terminal are connected between the output terminal of described 5th operational amplifier and the normal phase input end of the 3rd comparer.
4. haze monitor and alarm system according to claim 1, it is characterized in that, also comprise the one one electric capacity, one or two electric capacity, one one resistance and the one or two resistance, described one one electric capacity is connected between the inverting input of described second operational amplifier and the first end of described 9th resistance, the first end of described one one resistance is connected with the first end of described one one electric capacity, be connected second end of described one one resistance and power supply, the first end of described one or two resistance is connected with the second end of described one one electric capacity, second end of described one or two resistance is connected with the output terminal of the second operational amplifier, described one or two electric capacity is connected between the first end of described 9th resistance and the first end of described one or two resistance.
5. haze monitor and alarm system according to claim 1, is characterized in that, described second operational amplifier and the 3rd operational amplifier all adopt OP07 amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539158.1U CN204128927U (en) | 2014-09-19 | 2014-09-19 | A kind of haze monitor and alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539158.1U CN204128927U (en) | 2014-09-19 | 2014-09-19 | A kind of haze monitor and alarm system |
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| Publication Number | Publication Date |
|---|---|
| CN204128927U true CN204128927U (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420539158.1U Expired - Fee Related CN204128927U (en) | 2014-09-19 | 2014-09-19 | A kind of haze monitor and alarm system |
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| CN (1) | CN204128927U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115869A (en) * | 2015-08-17 | 2015-12-02 | 桂林市独秀纸品有限公司 | System and method for monitoring dust degree in factory workshop |
| CN108007833A (en) * | 2017-11-20 | 2018-05-08 | 合肥硕佳电子科技有限公司 | A kind of automatic range dust detector |
-
2014
- 2014-09-19 CN CN201420539158.1U patent/CN204128927U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115869A (en) * | 2015-08-17 | 2015-12-02 | 桂林市独秀纸品有限公司 | System and method for monitoring dust degree in factory workshop |
| CN108007833A (en) * | 2017-11-20 | 2018-05-08 | 合肥硕佳电子科技有限公司 | A kind of automatic range dust detector |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20190919 |