Utility model content
For solving the problems of the technologies described above, the utility model discloses a kind of automatic telescopic detector, it comprises: push-pull structure, gear train, control gear and testing agency, wherein, described push-pull structure has a flexible feeler lever, one end of feeler lever is provided with sampling thief, the other end of feeler lever is provided with gas samping pump and gas detection cell, this flexible feeler lever is connected to gear train, the control command that described gear train receives described control gear drives described flexible feeler lever action, and drive described sampling thief to insert heap body to be measured to sample to echo signal, described sampling thief is also built-in with gas sampling filtrator, the echo signal collected is sent into gas samping pump and the gas detection cell of end by described sampling thief after described gas sampling filter process.
Further, described sampling thief is dismountable is arranged on feeler lever front end.
Further, described sampling probe is built-in Temperature and Humidity sensor also, described gas sampling filtrator and Temperature and Humidity sensor are all connected to gas samping pump and the humiture adapter of rear end respectively by same pluggable adjustable pipe, described gas samping pump connects gas detection cell, and the gas after the process of described gas sampling metre filter is transported to gas detection cell by described gas samping pump.
Further, described automatic telescopic detector also includes signal transmission unit, wherein,
Described signal transmission unit, connect described testing agency and outside main control unit respectively, the control signal that described control gear receives outside main control unit controls described gear train action; Described testing agency carries out analysis to the echo signal that push-pull structure collects and detects, and sends to signal transmission unit after the parameter information of detection is converted to digital quantity signal, by described testing agency, this digital quantity signal is sent to external piloting control unit.
Further, described gear train comprises a motor, and this motor one end is fixed with guide rail, described guide rail is provided with moving slider, described moving slider is fixedly connected with described flexible feeler lever, and described moving slider reciprocatingly slides along described guide rail under the drive of motor, and drives described feeler lever action.
Further, described testing agency comprises gas signal detecting unit and temperature-humidity signal detecting unit, described gas signal detecting unit comprises gas sensor and AD conversion unit, and described gas sensor is digital quantity signal to the gas componant of gas detect indoor by AD conversion cell translation; Described temperature-humidity signal detecting unit comprises Temperature Humidity Sensor and AD conversion unit, and described Temperature Humidity Sensor connects described humiture adapter, and the temperature signal collected by Temperature and Humidity sensor is digital quantity signal by AD conversion cell translation.
Further, described detector also comprises a shell, and described shell is provided with the hole passed for described sampling thief and feeler lever, and described drive motor is fixing on the housing.
Further, described gear train also comprises insertion limit switch and extracts limit switch, described insertion limit switch, after detecting that push-pull structure is inserted into the assigned address of heap body to be measured, sends and stops inserting signal, controls described gear train and stops insert action; Described limit switch of extracting, after detecting that push-pull structure is extracted in heap body to be measured, sends and extracts limit signal, controls described gear train and stops action.
Preferably, described motor is push-rod electric machine.
Compared with prior art, automatic telescopic detector provided by the utility model, structure is simple, working stability, can also gather the ambient condition piling body inside by Real-Time Monitoring, and can realize fixed installation, automatic plug, and show up without the need to personnel, can be realized by Long-distance Control, reduce labour, and this probe can be arranged on arbitrarily any given position such as the representational central point of heap body most, gather the representational parameter of most, simple to operate, easy to use, practical.
Embodiment
Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.As employed some vocabulary to censure particular elements in the middle of instructions and claim.Those skilled in the art should understand, and hardware manufacturer may call same parts with different noun.This specification and claims are not used as with the difference of title the mode distinguishing parts, but are used as the criterion of differentiation with parts difference functionally.Instructions subsequent descriptions is for implementing better embodiment of the present utility model, and right described description is to illustrate for the purpose of this novel rule, and is not used to limit scope of the present utility model.Protection domain of the present utility model is when being as the criterion depending on the claims person of defining.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
With reference to accompanying drawing 1, a kind of automatic telescopic detector disclosed in the utility model, is mainly used in the detection of bulk material internal signal, and it mainly comprises four ingredients: push-pull structure 21, gear train 22, testing agency 24 and control gear 23.
Wherein, described push-pull structure 21, connect described gear train 22, it can insert heap body to be measured under the control of described gear train 22, as compost fermentation, grain stacking or other solid particulate matters etc., and echo signal is sampled, the echo signal of sampling comprises the relevant informations such as the environment temperature of interior of articles, humidity, gas componant.
Described gear train 22, connect described push-pull structure 21, it drives the reciprocating action of described push-pull structure 21 under the control of described control gear 23, when needs gather echo signal, described push-pull structure 21 is driven to insert heap body to be measured, when gathering and detected, driving described push-pull structure 21 to extract out, leaving heap body to be measured.
Described testing agency 24, connects described push-pull structure 21, detects and the parameter information after conversion is sent to outside main control unit 26 to the parameter information of the echo signal collected.Main control unit 26 can be computing machine or other control system.
Described control gear 23, connects main control unit 26 and gear train 22 respectively, and the control signal receiving outside main control unit 26 controls the action of described gear train 22.
Automatic telescopic detector automatic telescopic detector provided by the utility model, can also gather the ambient condition piling body inside by Real-Time Monitoring, and fixed installation, automatic plug can be realized, show up without the need to personnel, can be realized by Long-distance Control, and this push-pull structure 21 can according to controlling the assigned address being arranged on arbitrarily the heap representational central point of body most or other any appropriate, gather the representational parameter of most, working stability, little to the disturbance of heap body, be conducive to the continuity and the accuracy that ensure data, operation controls simple, easy to use.
Coordinate with reference to Fig. 2, Fig. 3, specifically, described push-pull structure 21 comprises a flexible feeler lever 4, and the front end of this feeler lever 4 is provided with sampling thief 3, and the other end of feeler lever 4 is provided with gas samping pump 214 and gas detection cell 216.The built-in gas sampling filtrator 211 of described sampling thief 3 and Temperature and Humidity sensor 212, gas sampling filtrator 211 can carry out the process such as dust-proof, water repellent filter to the gas extracted, remove the impurity affecting gas characteristic, described gas sampling filtrator 211 and Temperature and Humidity sensor 212 are all connected to gas samping pump 214 and humiture adapter 215 respectively by a pluggable adjustable pipe 213, gas samping pump 214 extracts the gas after by metre filter, and sends extracting the gas gathered into gas detection cell 216.Described sampling thief 3 is movably arranged on feeler lever 4 front end, when sampling thief changed by needs, can pull down this probe, and can carry out corresponding replacing to the senser element in probe.
With reference to Fig. 4, particularly, in above-mentioned detector, described gear train 22 comprises a drive motor 223, described drive motor 223 one end is fixed with guide rail 222, and guide rail 222 is provided with moving slider 221, and moving slider 221 is fixedly connected with described feeler lever 4, described moving slider 221 reciprocatingly slides along described guide rail 222 under the drive of motor, and drives the action of described feeler lever 4.Described drive motor 223 can be push-rod electric machine or other direct current motors, and this drive motor 223 is under the control of control gear 23, and starting power supply, is the straight reciprocating motion of push rod by the converting rotary motion of motor.Described gear train 22 also comprises insertion limit switch 225 and extracts limit switch 226, they are respectively control gear 23 and provide feedback signal accurately, so that the accurate position controlling the direction of action of plug, after the signal inserting limit switch 225 being detected, stop insert action, target information is gathered by push-pull structure 21, after mechanism 24 to be detected has been detected, outside main control unit 26 controls described gear train 22 and carries out pull action, until after sampling thief 3 and flexible feeler lever 4 leave heap body to be measured, export the signal extracting limit switch 226, stop action, intelligentized control method, little to the disturbance of heap body, control accuracy is high.
With reference to Fig. 5, particularly, in above-mentioned detector, described testing agency 24 comprises gas signal detecting unit 7 and temperature-humidity signal detecting unit 8, described gas signal detecting unit 7 comprises gas sensor 241 and AD conversion unit 242, and analog quantity is converted to digital signal by AD conversion unit 242 by the gas componant in described gas sensor 241 pairs of gas detection cell 216; Described temperature-humidity signal detecting unit 8 comprises Temperature Humidity Sensor 243 and AD conversion unit 244, described Temperature Humidity Sensor 243 connects described humiture adapter 215, and analog quantity is converted to digital signal by AD conversion unit by the epidemic disaster signal collected by Temperature and Humidity sensor 212.Analog quantity can be the electric signal such as voltage, electric current, also can be the non-electrical signals such as pressure, temperature, humidity, displacement, sound.But before A/D conversion, the input signal being input to A/D converter must convert voltage signal through various sensor to various physical quantity.
Particularly, in above-mentioned detector, described detector comprises a signal transmission unit 25, described signal transmission unit 25 sends to outside main control unit 26 to the digital quantity signal that described testing agency 24 changes, and described signal transmission unit 25 is connected by wired or wireless mode with between main control unit 26.Wherein, described gas signal detecting unit 7, temperature-humidity signal detecting unit 8, signal transmission unit 25 and control gear 23 are all arranged in same electric chamber 11.
Particularly, in above-mentioned detector, described detector also comprises a shell 1, described shell 1 is provided with the hole of shrinking for described sampling thief 3, pore size is just identical with the diameter of feeler lever 4, prevent unnecessary impurity from stretching in hole like this, this probe 3 is in taper, and described drive motor 223 and electrically chamber 11 are also fixed on described shell 1.Shell 1 serves the effect of protection, waterproof, anticorrosion, antiseep simultaneously.
In addition, described sampling thief 3 can realize automatic plug according to control overflow with plug feeler lever 4, thus Sampling Machine detection is carried out to heap body internal environment parameter, it should be noted that, the inside of the sampling thief 3 in the utility model also can other any senser elements built-in, be not limited to the gas sampling in the utility model and Temperature and Humidity, by being provided with gas sampling assembly and other signals collecting sensors, be sent to correlation parameter testing agency 24 by the signal transmission cable of scalable feeler lever, send output finally by signal transmission unit 25 by detection signal change.
The principle of work of automatic telescopic detector of the present utility model is, first this detector is arranged on heap body internal backplane or side fixed head, by the power supply of external piloting control unit 26 open control mechanism 23, and the probe controlling the push-pull structure 21 of front end stretches out, then detect sampling terminal and automatically insert object to be measured heap body, after the signal inserting limit switch 225 being detected, stop insert action; Now, start detection mechanism 24, gas samping pump 214 starts to carry out gas sampling, Temperature and Humidity sensor 212 starts to carry out temperature or humidity collection, and the signal correspondence collected is transported to testing agency 24, the signal that the AD conversion unit in testing agency 24 exports will output to outside main control unit 26 by signal transmission unit 25.When the tests are completed, indicate control gear 23 to send by the main control unit 26 of outside and extract signal, by the effect of gear train 22 plug feeler lever 4 will be piled in body from object and extract, and stop action until extract when limit switch 226 outputs signal.
Automatic telescopic detector of the present utility model achieves the automatic plug of probe and environmental parameter gathers automatically, external piloting control unit can be coordinated to carry out probe plug, and automatically carry out parameter acquisition and externally transmission, achieve machinery integrated with detection of electrons, rule is reasonable more to make detection.Comparatively artificial sample, data continuity is good, and personnel labor intensity is little; Comparatively external hand plug instrument, the homogeneity of operation is better, and relative to top plug, also less to the disturbance of heap body, be conducive to the representativeness ensureing data.
It should be noted that; the foregoing is only preferred embodiment of the present utility model; not thereby limit scope of patent protection of the present utility model, the utility model can also carry out the improvement of materials and structures to the structure of above-mentioned various parts, or adopts technically equivalent ones to replace.Therefore the equivalent structure change that all utilizations instructions of the present utility model and diagramatic content are done, or directly or indirectly apply to other correlative technology fields and be all in like manner all contained in the scope that the utility model contains.