External heating head in gaseous material detection device
Technical field
This utility model relate to gaseous material detection device, particularly relate to gaseous material detection device in external
Heating head.
Background technology
The technology of heating head is originally derived from general industry hot plate, mainly by heating chamber, electrical heating elements,
Survey the compositions such as temp-controlling element.
As the external heating head in gaseous material detection device fitting, its primary effect is that high-temperature heating is wiped
Reagent paper is so that the sample wiped on reagent paper gasifies, and is enclosed in air chamber by the sample of gasification, and this gas is again
Being absorbed by Jian Cezhuanzhi and detect, former external heating head can not be fixed on instrument, uses inconvenience;
It is the longest that paper is shifted onto air-breathing head end with manual key after being inserted into heating head by cleansing tissue again, the thing on cleansing tissue
Matter is trace, highly volatile, and Detection results can be caused the best.
Although external heating head in the past can accomplish sandwich heating cleansing tissue, but can not be fixed on instrument,
Use inconvenience;Paper is shifted onto air-breathing head end with manual key after being inserted into heating head by cleansing tissue again, this manually
Mode is the longest, and the material on cleansing tissue is trace, highly volatile, and the working time one, long thing to be checked will
Vaporing away a part, it is the best that result results in Detection results.
Summary of the invention
This utility model is not for heating a Detection results difference in prior art, original external heating head can not
Be fixed on instrument, in-convenience in use shortcoming, it is provided that gaseous material detection device in external heating head.
In order to solve above-mentioned technical problem, this utility model is addressed by following technical proposals:
External heating head in gaseous material detection device, including fixed mount, is provided with the first cavity in fixed mount,
Being provided with screw rod and slide block in first cavity, slide block is connected with screw flight, and slide block side opening is provided with first passage,
Upper end of slide block offers leads paper groove, and first passage connects with leading paper groove, leads paper groove side sidewall and is provided with heating
Block.This utility model is the part in detection device, and staff only need to be inserted into lead paper groove by wiping reagent paper
In, facilitating operated by personnel, this heating head makes cleansing tissue be in the space of relative closure, air-breathing
It is high that head can examine concentration;Wiping reagent paper sandwich heating, work efficiency is high.
As preferably, leading paper groove opposite side sidewall is arc convex.Arc convex plays guide function, convenient
Wipe reagent paper to be inserted into and lead in paper groove, wipe reagent paper wipe reagent paper when being inserted into and leading in paper groove will not bending.
As preferably, slide block one side is provided with the first groove, first passage and the connection of the first bottom portion of groove.The
The one anti-limited slip block of groove encounters miscellaneous part on detection device mobile when.
As preferably, slide block opposite side is provided with fixed block, and fixed block is provided with the second groove, and heat block is located at
In second groove.Fixed block is convenient installs heat block.
As preferably, set heat block medial surface and the second groove floor constitutes the second cavity, in the second cavity
It is provided with temperature-sensitive element.Temperature-sensitive element is for detecting the temperature of heat block, thus controls the temperature of heat block constantly,
Ensure that wiping reagent paper is operated in optimum temperature.
As preferably, heat block is provided with heat-conducting plate near the side leading paper groove, and heat-conducting plate is with heat block laminating even
Connect.Heat-conducting plate makes to wipe reagent paper homogeneous heating, and heat block surfacing effectively prevents local from heating inequality and burning
Badly wipe reagent paper.
As preferably, also include driving motor, drive motor and fixed mount to fix and be connected, drive motor and spiral shell
Bar connects.Driving motor to be used for driving screw rod, screw rod rotates pusher movable slider and moves, thus by slide block
Wipe reagent paper to deliver to detect mouth.
As preferably, fixed mount side is provided with panel, and panel is provided with infrared transmitter, fixed mount and
Slide block is provided with second channel, and second channel connects with leading paper groove, and infrared transmitter is just to second channel.Control
Making sheet controls electronic devices and components and corresponding parts, is inserted into leads in paper groove when wiping reagent paper, wipe reagent paper and block red
External transmitter, infrared transmitter sends a signal to panel, starts and drive motor after panel confirmation signal,
Thus move to slide block detect mouth.
As preferably, also including shell, fixed mount is located at enclosure, and shell side is provided with cover plate, cover plate
Being provided with through hole, through hole connects with first passage.Shell is for some components and parts such as mounting and fixing supports, simultaneously
Fixed mount is used for preventing dust from entering in instrument, affects test performance.
As preferably, shell both side ends is provided with hook, and hook is through cover plate end face.Facilitate external heating
Head fixed installation, heats head easy accessibility.
This utility model, owing to have employed above technical scheme, has significant technique effect: use this practicality
The novel space making cleansing tissue be in relative closure, reagent paper is wiped in heating head heating so that wipe the thing on reagent paper
Matter fully gasifies, and the amount that gas is absorbed by the suction head on Jian Cezhuanzhi is the most, and the gas that can be used for detection is dense
Spend the highest;External heating head is provided with heat-conducting plate and makes to wipe reagent paper and be heated evenly, and is greatly improved detection device
Work efficiency;External heating is simple to operate, only need to be inserted into lead in paper groove by wiping reagent paper, external heating
Head will be automatically performed the gaseous matter that reagent paper is wiped in heating, reagent paper is wiped in conveying and detection is wiped on reagent paper.
Accompanying drawing explanation
Fig. 1 is this utility model internal structure schematic diagram.
Fig. 2 is Fig. 1 left view structural representation.
Fig. 3 is the structural representation of fixed mount in Fig. 1.
Fig. 4 is this utility model shell mechanism schematic diagram.
Fig. 5 is this utility model hook structure schematic diagram.
The toponym that in the figures above, each number designation is referred to is as follows: wherein, 10 fixed mounts, 11
Screw rod, 12 slide blocks, 13 heat blocks, 14 fixed blocks, 15 second cavitys, 16 temperature-sensitive elements,
17 heat-conducting plates, 18 drive motors, 19 panels, 20 infrared transmitters, 21 second channels,
22 shells, 23 cover plates, 24 gripper shoes, 25 hooks, 26 springs, 101 first cavitys, 102
Header board, 103 back plate, 104 first cavitys, 121 first passages, 122 lead paper groove, 123 arcs
Shape convex surface, 124 first grooves, 141 second grooves, 231 through holes, 121 first passages, 1211
Arc notch.
Detailed description of the invention
With embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
External heating head in gaseous material detection device, as Figure 1-5, including fixed mount 10, fixing
Frame 10 includes header board 102, back plate 103, connects header board 102 and the gripper shoe 104 of back plate 103, header board
102, it is bolted to connection between back plate 103 and gripper shoe 104, is provided with first in fixed mount 10 empty
Chamber 101, the first cavity 101 is the space between header board 102 and back plate 103, is provided with in the first cavity 101
Screw rod 11 and slide block 12, screw rod 11 two ends are connected with header board 102 and back plate 103 respectively by bearing, spiral shell
Bar 11 wherein one end is provided with roller 25, and roller 25 is connected with driving motor 18 belt, slide block 12 and screw rod
11 is threaded, when screw rod 11 is under the driving driving motor 18, and slide block 12 moves along screw rod 11 direction
Dynamic, slide block 12 side opening is provided with first passage 121, and the first passage 121 in the present embodiment leads to for rectangle
All offering arc notch 1211 on two side in the middle of road, first passage 121 wraps the suction on detection device
Gas head, slide block 12 upper end offers leads paper groove 122, and suction head end face open communication leads paper groove 122, and first
Passage 121 connects with leading paper groove 122, leads paper groove 122 side sidewall and is provided with heat block 13, heat block 13
Add and wipe reagent paper in thermal conductance paper groove 122, absorbed by the suction head of Jian Cezhuanzhi after wiping the gasification substance on reagent paper
Enter.
Leading paper groove 122 opposite side sidewall is arc convex 123, arc convex 123 guide paper groove 122 internal projection,
Arc convex 123 can play a guiding function, conveniently wipes reagent paper and can be inserted into smoothly and lead paper groove 122
In.
Slide block 12 one side is provided with the first groove 124, the fixing peace of the first groove 124 slide block 12 for convenience
Dress, the most anti-limited slip block 12 collides with the suction head on gaseous state detection device, first passage 121
Connect with bottom the first groove 124.
Slide block 12 opposite side is provided with fixed block 14, and fixed block 14 is fixing with slide block 12 to be connected, fixed block 14
Being provided with the second groove 141, heat block 13 is located in the second groove 141.
Set heat block 13 medial surface and the second groove 141 bottom surface constitutes the second cavity 15, the second cavity 15
Inside it is provided with temperature-sensitive element 16.
Heat block 13 is provided with heat-conducting plate 17 near the side leading paper groove 122, and heat-conducting plate 17 pastes with heat block 13
Closing and connect, heat block 13 is ceramic heat block, heat block 13 surface irregularity, and heat block 13 is fitted with leads
Hot plate 17, heat-conducting plate 17 surfacing, heat transfer is uniformly.
Also including driving motor 18, driving motor 18 is power source, drives motor 18 to fix with fixed mount 10
Connect, drive motor 18 to be connected with screw rod 11, drive V belt translation between motor 18 and screw rod 11, drive
Motor 18 work imparts power to screw rod 11, and the slide block 12 on screw rod 11 moves on screw rod 11, sliding
Block 12 is moved on the suction head of gas-detecting device.
Fixed mount 10 side is provided with panel 19, and panel 19 is the control centre of external heating head, controls
Plate 19 is provided with infrared transmitter 20, fixed mount 10 and slide block 12 and is provided with second channel 21, and second leads to
Road 21 connects with leading paper groove 122, and infrared transmitter 20 is just to second channel 21, and gas-detecting device is opened
Time, the infrared light of infrared transmitter 20 is being led on paper groove 122 by second channel 21 dozens, when people are wiping
Reagent paper is inserted into when leading in paper groove 122, wipes reagent paper and has blocked infrared light, and panel 19 receives signal, starts
Heat block 13, moves to slide block 12 on suction head simultaneously.
Also including that shell 22, fixed mount 10 are located at enclosure, shell 22 side is provided with cover plate 23, cover plate
23 are provided with through hole 231, and through hole 231 connects with first passage 121, and through hole 231 enters to make suction head
Enter to first passage 121.
Shell 22 both side ends is provided with hook 24, links up with 24 one end and is provided with spring 26, spring 26 and extension
Hook 24 connects, and spring 26 primarily serves reset response, and hook 24 is through cover plate 23 end face, and hook 24 is another
One end is connected with the detection part of gas-detecting device.
In a word, the foregoing is only preferred embodiment of the present utility model, all apply for a patent according to this utility model
Equalization change and the modification that scope is made, all should belong to the covering scope of this utility model patent.