CN110531423A - A kind of birds heavy metal analysis device - Google Patents
A kind of birds heavy metal analysis device Download PDFInfo
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- CN110531423A CN110531423A CN201910896297.7A CN201910896297A CN110531423A CN 110531423 A CN110531423 A CN 110531423A CN 201910896297 A CN201910896297 A CN 201910896297A CN 110531423 A CN110531423 A CN 110531423A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/088—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices operating with electric fields
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- Life Sciences & Earth Sciences (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of birds heavy metal analysis devices, metal detector is able to carry out under the action of threaded rod and moves up and down, consequently facilitating being scanned to the intracorporal object of frame, metal detector includes detecting oscillations device circuit, reference oscillator circuits, mixer, Signal Monitor circuit；After detecting metal object, according to the deflection amplitude size of throw of pointer, it can be determined that whether exceeded go out heavy metal；The surface of discharge orifice is designed as arc, can be more quick so that rinsing, and the high low adjustment of digital numbering device is enabled to avoid obscuring for detection to the object progress stamp differentiation after detection, simple and convenient.
Description
Technical field
The present invention relates to heavy metal analysis equipment technical field, in particular to a kind of birds heavy metal analysis device.
Background technique
In the breeding process of chicken and duck poultry, in order to improve the utilization rate of feed, promote the growth of livestock and poultry, plurality of heavy metal
Preparation is used as production promotor and is added in the feed of livestock and poultry, the content of beary metal in animal products can not only remained super
Mark, and because the absorptivity of animal is very low, the content of heavy metal increases with the increase of additive amount in feces of livestock and poultry, and is in
In the breeding process of fowl, in different environments, the content of beary metal in poultry body can also be had an impact.
Chicken and duck meat is one of most common meat product, and people often cook miscellaneous delicious food with it, therefore
During chicken and duck cultivates, needs to inspect periodically the intracorporal content of beary metal of chicken and duck, avoid people from eating content of beary metal by mistake more
Chicken and duck and certain harm is caused to human body, when being measured to chicken and duck, because chicken and duck is being, in certain space
It is interior, certain difficulty is caused to measurement, and be easy to obscure, causes repeatedly to measure, reduce working efficiency, even measuring
During, the excrement of chicken and duck is drained above, is affected to environment where device, to the use process band of people
Influence centainly is carried out, for this purpose, it is proposed that a kind of birds heavy metal analysis device.
Summary of the invention
The main purpose of the present invention is to provide a kind of birds heavy metal analysis devices, can effectively solve in background technique
The problem of.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of birds heavy metal analysis device, including bracket are embedded with motor, the two sides of the bracket on the supporting leg of the bracket
It is separately installed with driving wheel and driven wheel, is rotatablely connected between the output end and driving wheel of the motor by chain, the master
It is rotatablely connected between driving wheel and driven wheel by conveyer belt, is uniformly embedded with bolt on the conveyer belt, on the conveyer belt
It is placed with framework, the two sides of the framework offer two groups of through slots, and the framework bottom offers through-hole, and the bolt passes through
Through-hole is bolted to connection between the framework and conveyer belt, and partition, the framework are fixed at the center of the framework
On offer discharge orifice.
Preferably, the side of the bracket is fixed on the inside of frame, and the front of the frame is inlaid with observation window, described
The front of frame offers channel, and the side in the channel is fixed with vertical plate, and sliding slot is offered on the vertical plate, the sliding slot
Bottom is fixed with first bearing, and the inside of the first bearing is socketed with two groups of nuts on the threaded rod inserted with threaded rod,
Second bearing is socketed and is fixed on nut described in two groups, and the side of the second bearing is fixed with clamping plate, opens on the clamping plate
Equipped with placing groove, the bottom end of the placing groove is fixed with the first spring, and the other end of first spring is fixed with rubber slab；Four
Metal detector is placed between the group clamping plate；Metal detector includes detecting oscillations device circuit, reference oscillator circuits, mixes
Frequency device circuit, Signal Monitor circuit；After detecting metal object, 4,7 feet of A3 export positive or negative signal voltage, make
It is deflected with the pointer of voltmeter PV.According to the deflection amplitude size of throw of pointer, it can be determined that go out the position of metal object.
Preferably, detecting oscillations circuit is made of A1, inductor L1, potentiometer R8, diode D1 and capacitor C1, C2, institute
No. 5 feet for stating A1 are connected with capacitor C1, and capacitor C1 is in series with capacitor C8, and the other end of capacitor C8 and No. 1 foot of A1 connect, described
No. 6 feet of A1 and No. 2 foot connections, No. 6 feet of the A1 are connected with inductance coil L1, and one end of inductance coil L1 is connected with two poles
Pipe D1, and the coil L1 is connected with the anode of diode D1, No. 7 feet of the A1 are connect with the other end of inductance coil L1,
Slide rheostat R8 is parallel between one end of the inductance coil and the negative grade of diode D1, No. 3 feet of the A1 are connected with electricity
Hold C2.
Preferably, reference oscillation circuit is made of A2, inductor L2, diode D2, resistance R1 and capacitor C3, C4, described
No. 6 feet of A2 are connected with No. 2 feet of A2, and No. 6 feet of the A2 are connected with inductance coil L2, the other end of the inductance coil L2
It is connected with No. 7 feet of A2, No. 4 feet of the A2 and No. 8 feet are connected, and No. 7 feet of the A2 are connected with diode D2, and described
No. 7 feet of A2 are connected with the anode of diode D2, and No. 8 feet of the A2 are connected with the negative grade of diode D2, the resistance R1's
One end is connected with the cathode of diode D2, and one end of the capacitor C3 is connected with resistance R3, and No. 3 feet of the A2 are with capacitor C4's
One end is connected.
Preferably, mixting circuit is made of triode VT, diode D3 and resistance R2 ~ R4, the base stage of the triode VT
It is connected respectively with one end of the negative grade of diode D3 and resistance R3, the base stage and inter-collector of the triode VT is connected with resistance
R2, the emitter of the triode VT are connected with resistance R4, and the resistance R4 is parallel with resistance R10, the hair of the triode VT
Emitter-base bandgap grading is also connected with capacitor C5.
Preferably, Signal Monitor circuit is made of A3, voltmeter U5 capacitance-resistance, one end phase of No. 1 foot and R5 of the A3
Even, No. 2 of the A3 are connected with capacitor C7, are connected with resistance R6 between No. 5 feet and No. 6 feet of the A3 between foot and ground wire, described
No. 4 feet of A3 and No. 7 feet are connected, and No. 3 feet of the A3 are connected separately with capacitor C6 and resistance R7, the other end of the resistance R7
It is connected with slide rheostat R9, the other end of the slide rheostat R7 and its slide bar are connected with capacitor C6 ground line, described
No. 4 of A3 are connected with voltmeter U5 between foot and ground wire, the other end of the resistance R6 is connected with switch S1, the other end of the S1
Ground connection, No. 1 of the A3 are also connected with resistance R5 between foot and ground wire.
Preferably, the frame facet is fixed with support frame, and digital numbering device, the number are placed on support frame as described above
The ink that word numbering device uses is is not easy to clean ink.
Preferably, fringing is provided between the frame and observation window, the fringing is adhesively fixed with frame.
Preferably, support frame as described above includes riser and transverse slat, offers two groups of vertical slots and two groups of card slots on the riser, and two
The group card slot be separately positioned on two groups described in vertical slot two sides, vertical slot perforation described in card slot described in two groups and two groups.
Preferably, the two sides of the transverse slat are fixed with fixed block, and the side of the fixed block is embedded with rotating block, and described turn
The side of motion block is fixed with snap-gauge, is fixed between the snap-gauge and transverse slat by second spring.
Preferably, the lateral layout of the discharge orifice is arc, and baffle is placed on discharge orifice, in the baffle
Convex block is provided at the heart.
Compared with prior art, the invention has the following beneficial effects:
1, by being embedded with several equally distributed bolts on the conveyor belt, and through-hole is offered in the bottom of framework, bolt is inserted
Enter in through-hole, and is fixed using matched device, and the two sides of framework offer twice through slot up and down, and channel two sides
Vertical plate in be provided with threaded rod, and be provided with two groups of clamping plates on threaded rod, clamp metal detector using clamping plate, and in spiral shell
It is able to carry out and moves up and down under the action of rasp bar, consequently facilitating being scanned to the intracorporal object of frame, then can accurately divide
Ionic weight contained by object is precipitated, object is fixed using framework, consequently facilitating the quick scanning to object；
2, by offering discharge orifice on the bottom surface inside framework, and baffle is placed on discharge orifice, using baffle into
Row stops, and avoids excreta from omitting onto conveyer belt, and the surface of discharge orifice is designed as arc, is rinsed when to framework
When, while guaranteeing that water flow can smoothly flow out, the delay of excreta can be effectively avoided, so that rinsing can be more
Fast；
3, by being welded with support frame in the edge at frame exhaust openings end, support frame is made of riser and transverse slat, is opened up on riser
There are vertical slot and card slot, the two sides of transverse slat are provided with fixed block, and rotating block is provided on fixed block, and the one of rotating block
Side is provided with snap-gauge, and snap-gauge is arranged in vertical slot, is connected between snap-gauge and transverse slat by second spring, number is placed on transverse slat
Word numbering device squeezes second spring using snap-gauge, moving up and down for transverse slat is completed, under the action of second spring, so that snap-gauge
In card slot, to complete the fixation to transverse slat, then make moving up and down for transverse slat more convenient, so that number is beaten
Code device can be adjusted accordingly for the height difference of object, carried out stamp differentiation to the object after detection, avoided
Obscuring for detection, it is simple and convenient.
Part is not directed in the device to be the same as those in the prior art or can be realized by using the prior art.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of birds heavy metal analysis device of the present invention；
Fig. 2 is the circuit diagram of metal detector of the invention；
Fig. 3 is the partial enlarged view in a kind of birds heavy metal analysis device Fig. 1 of the present invention at A；
Fig. 4 is the schematic cross-sectional view of vertical plate in a kind of birds heavy metal analysis device of the present invention；
Fig. 5 is the top view of framework in a kind of birds heavy metal analysis device of the present invention；
Fig. 6 is a kind of top view of birds heavy metal analysis device conveyer belt of the present invention；
Fig. 7 is the structural schematic diagram of support frame in a kind of birds heavy metal analysis device of the present invention；
Fig. 8 is the partial enlarged view in a kind of birds heavy metal analysis device Fig. 6 of the present invention at B；
Fig. 9 is the partial enlarged view in a kind of birds heavy metal analysis device Fig. 6 of the present invention at C.
In figure: 1, bracket；2, motor；3, chain；4, driving wheel；5, driven wheel；6, conveyer belt；7, framework；8, partition；9,
Through slot；10, frame；11, observation window；12, fringing；13, support frame；14, digital numbering device；15, channel；16, vertical plate；17, spiral shell
Rasp bar；18, clamping plate；19, rubber slab；20, metal detector；21, sliding slot；22, first bearing；23, nut；24, second bearing；
25, placing groove；26, the first spring；27, through-hole；28, baffle；29, discharge orifice；30, convex block；31, bolt；131, riser；132,
Transverse slat；133, vertical slot；134, card slot；135, fixed block；136, rotating block；137, snap-gauge；138, second spring.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Embodiment
As shown in figs 1-9, a kind of birds heavy metal analysis device, including bracket 1 are embedded with motor on the supporting leg of bracket 1
2, the two sides of bracket 1 are separately installed with driving wheel 4 and driven wheel 5, pass through 3 turns of chain between the output end and driving wheel 4 of motor 2
Dynamic connection, is rotatablely connected by conveyer belt 6 between driving wheel 4 and driven wheel 5, bolt 31 is uniformly embedded on conveyer belt 6, defeated
It send and is placed with framework 7 on band 6, the two sides of framework 7 offer two groups of through slots 9, and through-hole 27 is offered in framework 7, and bolt 31 is worn
Through-hole 27 is crossed, is fixedly connected between framework 7 and conveyer belt 6 by bolt 31, partition 8, framework 7 is fixed at the center of framework 7
On offer discharge orifice 29, be placed with by offering discharge orifice 29 on the bottom surface inside framework 7, and on discharge orifice 29
Baffle 28 is stopped using baffle 28, and excreta is avoided to omit onto conveyer belt 6, and the surface of discharge orifice 29 is designed
While guaranteeing that water flow can smoothly flow out, excreta can be effectively avoided when being rinsed to framework 7 for arc
Delay can be more quick so that rinsing.
The side of bracket 1 is fixed on the inside of frame 10, and the front of frame 10 is inlaid with observation window 11, the front of frame 10
Channel 15 is offered, the side in channel 15 is fixed with vertical plate 16, and sliding slot 21 is offered on vertical plate 16, and the bottom of sliding slot 21 is fixed with
First bearing 22, the inside of first bearing 22 are socketed with two groups of nuts 23, two groups of nuts on threaded rod 17 inserted with threaded rod 17
Second bearing 24 is socketed and is fixed on 23, and the side of second bearing 24 is fixed with clamping plate 18, offers placing groove on clamping plate 18
25, the bottom end of placing groove 25 is fixed with the first spring 26, and the other end of the first spring 26 is fixed with rubber slab 19, in conveyer belt 6
On be embedded with several equally distributed bolts 31, and offer through-hole 27 in the bottom of framework 7, bolt 31 is inserted into through-hole 27,
And be fixed using matched device, and the two sides of framework 7 offer twice through slot 9 up and down, and 15 two sides of channel is vertical
It is provided with threaded rod 17 in plate 16, and is provided with two groups of clamping plates 18 on threaded rod 17, clamps metal detector using clamping plate 18
20, and be able to carry out and move up and down under the action of threaded rod 17, consequently facilitating being scanned to the object in framework 7, metal
Detector includes detecting oscillations device circuit, reference oscillator circuits, mixer, Signal Monitor circuit；It is right using framework 7
Object is fixed, consequently facilitating the quick scanning to object.After detecting metal object, 4,7 feet of A3 export just or
Negative signal voltage is deflected using the pointer of voltmeter PV.According to the deflection amplitude size of throw of pointer, it can be determined that go out
The position of metal object
Further, reference oscillation circuit is made of A2, inductor L2, diode D2, resistance R1 and capacitor C3, C4, the A2
No. 6 feet be connected with No. 2 feet of A2, No. 6 feet of the A2 are connected with inductance coil L2, the other end of the inductance coil L2 with
No. 7 feet of A2 are connected, and No. 4 feet of the A2 and No. 8 feet are connected, and No. 7 feet of the A2 are connected with diode D2, and the A2
No. 7 feet be connected with the anode of diode D2, No. 8 feet of the A2 are connected with the negative grade of diode D2, the one of the resistance R1
End is connected with the cathode of diode D2, and one end of the capacitor C3 is connected with resistance R3, No. 3 feet of the A2 and the one of capacitor C4
End is connected；Mixting circuit is made of triode VT, diode D3 and resistance R2 ~ R4, and the base stage of the triode VT is respectively with two
The negative grade of pole pipe D3 is connected with one end of resistance R3, and the base stage and inter-collector of the triode VT is connected with resistance R2, described
The emitter of triode VT is connected with resistance R4, and the resistance R4 is parallel with resistance R10, and the emitter of the triode VT also connects
It is connected to capacitor C5；Signal Monitor circuit is made of A3, voltmeter U5 capacitance-resistance, and No. 1 foot of the A3 is connected with one end of R5, institute
No. 2 for stating A3 are connected with capacitor C7 between foot and ground wire, be connected with resistance R6 between No. 5 feet and No. 6 feet of the A3, and the 4 of the A3
Number foot and No. 7 feet are connected, and No. 3 feet of the A3 are connected separately with the other end connection of capacitor C6 and resistance R7, the resistance R7
There is a slide rheostat R9, the other end of the slide rheostat R7 and its slide bar are connected with capacitor C6 ground line, and the 4 of the A3
Number it is connected with voltmeter U5 between foot and ground wire, the other end of the resistance R6 is connected with switch S1, the other end ground connection of the S1,
No. 1 of the A3 is also connected with resistance R5 between foot and ground wire.
Convenient for the placement of metal detector 20 with remove；The lateral layout of discharge orifice 29 is arc, and on discharge orifice 29
It is placed with baffle 28, convex block 30 is provided at the center of baffle 28, convex block 30 is convenient for the pick-and-place of baffle 28, and 29 side of discharge orifice is set
The arc convex set upward, convenient for the flowing of fluid, and can be avoided the delay of excreta.
The side of frame 10 is fixed with support frame 13, and digital numbering device 14, digital numbering device 14 are placed on support frame 13
The ink used is is not easy to clean ink；Fringing 12 is provided between frame 10 and observation window 11, fringing 12 and frame 10 bond
It is fixed；Support frame 13 includes riser 131 and transverse slat 132, offers two groups of vertical slots 133 and two groups of card slots 134 on riser 131, and two
Group card slot 134 is separately positioned on the two sides of two groups of vertical slots 133, and two groups of card slots 134 and two groups of vertical slots 133 penetrate through；The two of transverse slat 132
Side is fixed with fixed block 135, and the side of fixed block 135 is embedded with rotating block 136, and the side of rotating block 136 is fixed with snap-gauge
137, it is fixed by second spring 138 between snap-gauge 137 and transverse slat 132, by being welded in the edge of 10 outlet end of frame
Support frame 13, support frame 13 are made of riser 131 and transverse slat 132, and vertical slot 133 and card slot 134, transverse slat are offered on riser 131
132 two sides are provided with fixed block 135, and rotating block 136 is provided on fixed block 135, and in the side of rotating block 136
It is provided with snap-gauge 137, snap-gauge 137 is arranged in vertical slot 133, it is connected between snap-gauge 137 and transverse slat 132 by second spring 138,
It is placed with digital numbering device 14 on transverse slat 132, squeezes second spring 138 using snap-gauge 137, is moved down on completion transverse slat 132
It is dynamic, under the action of second spring 138, so that snap-gauge 137 is located in card slot 134, so that the fixation to transverse slat 132 is completed, after
And make moving up and down for transverse slat 132 more convenient so that digital numbering device 14 can for object height difference into
Row is corresponding to be adjusted, and carries out stamp differentiation to the object after detection, avoids obscuring for detection, simple and convenient.
It should be noted that the present invention is that framework 7 is placed on defeated by a kind of birds heavy metal analysis device when in use
It send on band 6, and the through-hole 27 in framework 7 is directed at bolt 31 and is placed, it is several equally distributed by being embedded on conveyer belt 6
Bolt 31, and through-hole 27 is offered in the bottom of framework 7, and bolt 31 is inserted into through-hole 27, and is consolidated using matched device
It is fixed, object is being placed in framework 7, and the two sides of framework 7 offer twice through slot 9 up and down, and 15 two sides of channel is vertical
It is provided with threaded rod 17 in plate 16, and is provided with two groups of clamping plates 18 on threaded rod 17, clamps metal detector using clamping plate 18
20, and be able to carry out and move up and down under the action of threaded rod 17, consequently facilitating being scanned to the object in framework 7, utilize
Object is fixed in framework 7, consequently facilitating quickly sweeping to object, by offering stream on the bottom surface inside framework 7
Water hole 29, and baffle 28 is placed on discharge orifice 29, stopped using baffle 28, excreta is avoided to omit to conveyer belt 6
On, and the surface of discharge orifice 29 is designed as arc, when being rinsed to framework 7, can be smoothly flowed out in guarantee water flow
While, the delay of excreta can be effectively avoided, can be more quick so that rinsing, by 10 outlet end of frame
Edge is welded with support frame 13, and support frame 13 is made of riser 131 and transverse slat 132, and 133 He of vertical slot is offered on riser 131
Card slot 134, the two sides of transverse slat 132 are provided with fixed block 135, and rotating block 136 is provided on fixed block 135, and are turning
The side of motion block 136 is provided with snap-gauge 137, and snap-gauge 137 is arranged in vertical slot 133, by the between snap-gauge 137 and transverse slat 132
The connection of two springs 138, is placed with digital numbering device 14 on transverse slat 132, squeezes second spring 138 using snap-gauge 137, completes horizontal
Plate 132 moves up and down, under the action of second spring 138, so that snap-gauge 137 is located in card slot 134, to complete to transverse slat
132 fixation then makes moving up and down for transverse slat 132 more convenient, so that digital numbering device 14 can be directed to object
Height difference adjusted accordingly, to after detection object carry out stamp differentiation, avoid detection obscures, operation letter
It is single convenient, and digital numbering device 14 uses the ink for being not easy to clean, and is not only easy to distinguish, but also is convenient for follow-up study, energy
It is enough clear under the conditions of the living environment of chicken and duck and feeding, which has influence the condition of chicken and duck in-vivo heavy metal content, thus
Some changes are made, under diet and environment, content of beary metal is reduced, guarantees the healthy growth of chicken and duck.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of birds heavy metal analysis device, including bracket (1), motor (2), institute are embedded on the supporting leg of the bracket (1)
The two sides for stating bracket (1) are separately installed with driving wheel (4) and driven wheel (5), output end and driving wheel (4) of the motor (2)
Between by chain (3) be rotatablely connected, between the driving wheel (4) and driven wheel (5) by conveyer belt (6) rotation connection,
It is characterized in that: being uniformly embedded with bolt (31) on the conveyer belt (6), be placed with framework (7), institute on the conveyer belt (6)
The two sides for stating framework (7) offer two groups of through slots (9), and framework (7) bottom offers through-hole (27), the bolt (31)
Across through-hole (27), it is fixedly connected between the framework (7) and conveyer belt (6) by bolt (31), the center of the framework (7)
Place is fixed with partition (8), offers discharge orifice (29) on the framework (7).
2. a kind of birds heavy metal analysis device according to claim 1, it is characterised in that: the side of the bracket (1)
It is fixed on the inside of frame (10), the front of the frame (10) is inlaid with observation window (11), and the front of the frame (10) is opened
Equipped with channel (15), the side of the channel (15) is fixed with vertical plate (16), offers sliding slot (21), institute on the vertical plate (16)
The bottom for stating sliding slot (21) is fixed with first bearing (22), and the inside of the first bearing (22) is inserted with threaded rod (17), institute
It states and is socketed with two groups of nuts (23) on threaded rod (17), be socketed and be fixed with second bearing (24) on nut described in two groups (23),
The side of the second bearing (24) is fixed with clamping plate (18), offers placing groove (25), the placement on the clamping plate (18)
The bottom end of slot (25) is fixed with the first spring (26), and the other end of first spring (26) is fixed with rubber slab (19)；Four groups
Metal detector (20) are placed between the clamping plate (18).
3. a kind of birds heavy metal analysis device according to claim 2, it is characterised in that: metal detector includes detection
Pierce circuit, reference oscillator circuits, mixer, Signal Monitor circuit；After detecting metal object, A3 4,
7 feet export positive or negative signal voltage, are deflected using the pointer of voltmeter PV；It is big according to the deflection amplitude of throw of pointer
It is small, it can be determined that whether exceeded to go out heavy metal.
4. a kind of birds heavy metal analysis device according to claim 3, it is characterised in that: the detecting oscillations circuit by
A1, inductor L1, potentiometer R8, diode D1 and capacitor C1, C2 composition, No. 5 feet of the A1 are connected with capacitor C1, capacitor C1
It is in series with capacitor C8, the other end of capacitor C8 and No. 1 foot of A1 connect, No. 6 feet of the A1 and No. 2 foot connections, and the 6 of the A1
Number foot is connected with inductance coil L1, and one end of inductance coil L1 is connected with diode D1, and the coil L1 and diode D1
Anode is connected, and No. 7 feet of the A1 are connect with the other end of inductance coil L1, one end of the inductance coil and diode D1's
Slide rheostat R8 is parallel between negative grade, No. 3 feet of the A1 are connected with capacitor C2.
5. a kind of birds heavy metal analysis device according to claim 3, it is characterised in that: the reference oscillation circuit by
A2, inductor L2, diode D2, resistance R1 and capacitor C3, C4 composition, No. 6 feet of the A2 are connected with No. 2 feet of A2, described
No. 6 feet of A2 are connected with inductance coil L2, and the other end of the inductance coil L2 is connected with No. 7 feet of A2, No. 4 feet of the A2
It is connected with No. 8 feet, No. 7 feet of the A2 are connected with diode D2, and the positive phase of No. 7 feet and diode D2 of the A2
Even, No. 8 feet of the A2 are connected with the negative grade of diode D2, and one end of the resistance R1 is connected with the cathode of diode D2, institute
The one end for stating capacitor C3 is connected with resistance R3, and No. 3 feet of the A2 are connected with one end of capacitor C4.
6. a kind of birds heavy metal analysis device according to claim 3, it is characterised in that: the mixting circuit is by three poles
Pipe VT, diode D3 and resistance R2 ~ R4 composition, the base stage of the triode VT respectively with the negative grade of diode D3 and resistance R3
One end is connected, and the base stage and inter-collector of the triode VT is connected with resistance R2, and the emitter of the triode VT is connected with
Resistance R4, the resistance R4 are parallel with resistance R10, and the emitter of the triode VT is also connected with capacitor C5.
7. a kind of birds heavy metal analysis device according to claim 3, it is characterised in that: the Signal Monitor circuit
It is made of A3, voltmeter U5 capacitance-resistance, No. 1 foot of the A3 is connected with one end of R5, and No. 2 of the A3 are connected between foot and ground wire
Resistance R6 is connected between No. 5 feet and No. 6 feet of capacitor C7, the A3, No. 4 feet of the A3 and No. 7 feet are connected, and the 3 of the A3
Number foot is connected separately with capacitor C6 and resistance R7, and the other end of the resistance R7 is connected with slide rheostat R9, and the sliding becomes
The other end and its slide bar for hindering device R7 are connected with capacitor C6 ground line, and No. 4 of the A3 are connected with voltmeter between foot and ground wire
U5, the other end of the resistance R6 are connected with switch S1, the other end ground connection of the S1, and No. 1 of the A3 is gone back between foot and ground wire
It is connected with resistance R5.
8. a kind of birds heavy metal analysis device according to claim 2, it is characterised in that: the side of the frame (10)
It is fixed with support frame (13), is placed on support frame as described above (13) digital numbering device (14), the number numbering device (14) uses
Ink be not easy to clean ink；It is provided with fringing (12) between the frame (10) and observation window (11), the fringing (12)
It is adhesively fixed with frame (10).
9. a kind of birds heavy metal analysis device according to claim 3, it is characterised in that: support frame as described above (13) includes
Riser (131) and transverse slat (132) offer two groups of vertical slots (133) and two groups of card slots (134), two groups of institutes on the riser (131)
State card slot (134) be separately positioned on two groups described in vertical slot (133) two sides, vertical slot described in card slot described in two groups (134) and two groups
(133) it penetrates through；The two sides of the transverse slat (132) are fixed with fixed block (135), and the side of the fixed block (135), which is embedded with, to be turned
The side of motion block (136), the rotating block (136) is fixed with snap-gauge (137), is led between the snap-gauge (137) and transverse slat (132)
It is fixed to cross second spring (138).
10. a kind of birds heavy metal analysis device according to claim 2, it is characterised in that: the discharge orifice (29)
Lateral layout is arc, and baffle (28) are placed on discharge orifice (29), is provided with convex block at the center of the baffle (28)
(30).
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| CN201910896297.7A CN110531423B (en) | 2019-09-22 | 2019-09-22 | Poultry heavy metal detection device |
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| CN201910896297.7A CN110531423B (en) | 2019-09-22 | 2019-09-22 | Poultry heavy metal detection device |
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| CN110531423A true CN110531423A (en) | 2019-12-03 |
| CN110531423B CN110531423B (en) | 2021-04-23 |
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| CN110531423B (en) | 2021-04-23 |
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