CN104900128A - Humiture measuring experiment apparatus for teaching, and measuring system thereof - Google Patents
Humiture measuring experiment apparatus for teaching, and measuring system thereof Download PDFInfo
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- CN104900128A CN104900128A CN201510219084.2A CN201510219084A CN104900128A CN 104900128 A CN104900128 A CN 104900128A CN 201510219084 A CN201510219084 A CN 201510219084A CN 104900128 A CN104900128 A CN 104900128A
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- casing
- humiture
- sensor
- experimental provision
- teaching
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- 238000002474 experimental method Methods 0.000 title abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 37
- 238000012545 processing Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 12
- 230000033228 biological regulation Effects 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000010363 phase shift Effects 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000013078 crystal Substances 0.000 description 6
- 238000004148 unit process Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
Abstract
The invention discloses a humiture measuring experiment apparatus for teaching, and a measuring system thereof. The apparatus comprises a humidifier, a steam guide pipe and a casing. The steam outlet of the humidifier is connected with the casing through the steam guide pipe; one of the side surfaces of the casing is of a slidable plugboard structure; the casing is internally provided with a heating rod support, a circulating fan, an aviation plug, a guide pipe, a temperature sensor and a humidity sensor, the heating rod support is provided with a heating rod, the top portion of the casing is provided with a sensor signal line interface, the aviation plug is disposed in the sensor signal line interface, the upper end of the guide pipe is connected with the aviation plug, the lower end of the guide pipe is internally provided with a sealing plate, the sealing plate cooperates with the guide pipe in the guide pipe to form a sealing cavity, the sealing cavity is internally provided with a sensor lead wire, and the temperature sensor and the humidity sensor are fixed at the lower side of the sealing plate and are electrically connected with the aviation plug. The humiture measuring experiment apparatus for teaching is small in volume, low in cost, high in experiment expandability, easy in replacement of lossers and low in application cost.
Description
Technical field
The present invention relates to teaching experimental equipment field, specifically a kind of humiture for teaching measures experimental provision and measuring system thereof.
Background technology
In all kinds of civilian, agriculture and industry spot, the situation of ambient temperature and humidity is very important parameter, significant to the accurate detection of ambient temperature and humidity.Therefore, in the teaching of the courses such as sensor technology, industry automatic instruments and control, state-detection and signals collecting that each universities offer, Temperature and Humidity is an important content of courses, and Temperature and Humidity experimental provision is absolutely necessary experimental teaching equipment.At present, Temperature and Humidity experimental provision is also fewer, and function ratio is more single, is difficult to meet existing teaching request.
Summary of the invention
The object of the present invention is to provide a kind of humiture for teaching measures experimental provision and measuring system thereof, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of humiture for teaching measures experimental provision, comprises humidifier, steam conduit and casing, the moisture outlet of described humidifier is by steam tubes connection casing, and humidifier is provided with humidifier adjusting knob, described casing is enclosed construction, and one of them side of casing is slidingtype board plug structure, support of heater rod is provided with in described casing, circulating fan, aviation plug, conduit, temperature sensor and humidity sensor, support of heater rod is provided with heating rod, circulating fan is located on cabinet wall, casing top is provided with sensor signal line interface, aviation plug is positioned at sensor signal line interface, conduit upper end is connected to aviation plug, conduit is provided with seal pad in lower end, seal pad forms sealed cavity with tubes fit in conduit, sensor conductor is laid in sealed cavity, temperature sensor and humidity sensor are all fixed on the downside of seal pad, and be all connected to aviation plug by sensor conductor.
As the further scheme of the present invention: steam catheter interface is offered at described casing top, and in steam catheter interface, be provided with the joint connecting steam conduit.
As the present invention's further scheme: described circulating fan to be located on the left of casing on sidewall.
As the present invention's further scheme: be provided with power control box outside described casing, power control box is provided with circulating fan switch and temperature adjustment knob, circulating fan switch electrical connection circulating fan, temperature adjustment knob electrical connection heating rod, temperature adjustment knob adopts phase-shift trigger circuit for thyrictor to control the heating power of heating rod.
As the present invention's further scheme: described bottom half is provided with the fixed support for supporting box.
As the present invention's further scheme: described fixed support totally 2, and symmetry is located at both sides, casing lower end.
As the present invention's further scheme: described humidifier is ultrasonic humidifier; Described temperature sensor adopts AD590J semiconductor ic temperature transducer, and humidity sensor adopts HS1101 humicap type relative humidity sensor.
As the present invention's further scheme: the material of described joint is plastics; The material of described casing is organic glass; The material of described conduit is stainless steel; Described support bracket fastened material is metal.
A kind of measuring system of humiture for teaching measures experimental provision, the measuring system of described humiture for teaching measures experimental provision comprises measures main body, processes temperature signal and display unit and humidity signal processing and display unit, measure main body to be made up of temperature sensor and humidity sensor, the temperature signal measuring main body acquisition sends into processes temperature signal and display unit after temperature signal regulation processing of circuit, and the moisture signal measuring main body acquisition is sent to humidity signal processing and display unit.
As the further scheme of the present invention: described temperature signal regulation circuit adopts AD590 temperature signal regulation circuit.
Compared with prior art, the invention has the beneficial effects as follows: 1, this humiture for teaching measures experimental provision volume is little, and cost is low, expansion experiments is strong, and losser is easily changed, and then reduces use cost; 2, this humiture for teaching measures experimental provision adopts modular design, the modules such as detected source, sensor, data acquisition, data shaping, data display are combined effectively, enable the whole process that student grasps sensing, signals collecting, signal transacting, signal conversion all sidedly and transmits, teaching efficiency is good; 3, this humiture for teaching measures experimental provision can complete temperature and humidity test simultaneously, meets all kinds of civilian, agriculture and industry spot, the demand of ambient temperature and humidity.
Accompanying drawing explanation
Fig. 1 is the structural representation of humiture for teaching measures experimental provision.
Fig. 2 is A place partial enlarged drawing in Fig. 1.
Fig. 3 is the measuring system structural drawing of humiture for teaching measures experimental provision.
Fig. 4 is the structural representation of AD590 temperature signal regulation circuit.
Fig. 5 is the circuit diagram of processes temperature signal and display unit.
Fig. 6 is the circuit diagram of humidity signal processing and display unit.
Fig. 7 is the process flow diagram of processes temperature signal and display unit.
Fig. 8 is the process flow diagram of signal conversion unit in processes temperature signal and display unit process flow diagram.
Fig. 9 is the process flow diagram of data display driver unit in processes temperature signal and display unit process flow diagram.
Figure 10 is the process flow diagram of key scan unit in processes temperature signal and display unit process flow diagram.
Figure 11 is the process flow diagram of humidity signal processing and display unit.
Figure 12 is the process flow diagram of key scan and signal conversion unit in humidity signal processing and display unit process flow diagram.
Figure 13 is that service procedure of sampling is interrupted in processes temperature signal and display unit digital-to-analog conversion.
Figure 14 is processes temperature signal and display unit timing 10S break in service flow process.
Figure 15 is processes temperature signal and display unit external interrupt service procedure.
Figure 16 is the process flow diagram of display driver unit in processes temperature signal and display unit process flow diagram.
In figure: 1-humidifier adjusting knob, 2-humidifier, 3-steam conduit, 4-casing, 5-support of heater rod, 6-circulating fan, 7-joint, 8-aviation plug, 9-conduit, 10-circulating fan switch, 11-temperature adjustment knob, 12-power control box, 13-fixed support, 14-sensor conductor, 15-temperature sensor, 16-humidity sensor, 17-seal pad, 101-power circuit A, 102-crystal oscillating circuit A, 103-temperature signal input circuit, 104-key circuit A, 105-display circuit A, 106-Chip Microcomputer A, 201-power circuit B, 202-crystal oscillating circuit B, 203-moisture signal input circuit, 204-key circuit B, 205-display circuit B, 206-single-chip microcomputer B.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1 ~ 2, a kind of humiture for teaching measures experimental provision, comprise humidifier 2, steam conduit 3 and casing 4, the moisture outlet of described humidifier 2 is by steam conduit 3 connect box 4, humidifier 2 is provided with humidifier adjusting knob 1, humidifier adjusting knob 1 is for the operate power of conditioning moisturer 2, and then adjustment adds wet strength, preferably, described humidifier 2 is ultrasonic humidifier, steam catheter interface is offered at casing 4 top, and in steam catheter interface, be provided with the joint 7 connecting steam conduit 3, preferably, the material of described joint 7 is plastics, described casing 4 is enclosed construction, one of them side of casing 4 is slidingtype board plug structure, when testing, the plate of this side is inserted in chute completely, the space of a relative closure just can be formed in casing 4, using the air in casing 4 as heating and the experimental subjects of humidification, after off-test, extract plate out, distributing of heat and steam can be accelerated, facilitate casing 4 Quick-return to normal condition, avoid long hot and humid damage miscellaneous part, preferably, the material of described casing 4 is organic glass, support of heater rod 5 is provided with in described casing 4, circulating fan 6, aviation plug 8, conduit 9, temperature sensor 15 and humidity sensor 16, support of heater rod 5 is provided with heating rod, by heating rod being fixed in support of heater rod 5, too high temperature is avoided to damage casing 4, circulating fan 6 is located on casing 4 inwall, preferably, described circulating fan 6 to be located on the left of casing 4 on sidewall, circulating fan 6 can help the air in casing 4 to circulate, make temperature field and Water Vapor Distribution more even, casing 4 top is provided with sensor signal line interface, aviation plug 8 is positioned at sensor signal line interface, conduit 9 upper end is connected to aviation plug 8, conduit 9 is provided with seal pad 17 in lower end, seal pad 17 and conduit 9 are engaged in conduit 9 and form sealed cavity, sensor conductor 14 is laid in sealed cavity, sealed cavity can be avoided steam to enter conduit 9 and cause corrosion to the solder joint of aviation plug 8, temperature sensor 15 and humidity sensor 16 are all fixed on the downside of seal pad 17, and be all connected to aviation plug 8 by sensor conductor 14, preferably, the material of described conduit 9 is stainless steel, temperature sensor 15 adopts AD590J semiconductor ic temperature transducer, humidity sensor 16 adopts HS1101 humicap type relative humidity sensor, power control box 12 is provided with outside described casing 4, power control box 12 is provided with circulating fan switch 10 and temperature adjustment knob 11, circulating fan switch 10 is electrically connected circulating fan 6, temperature adjustment knob 11 is electrically connected heating rod, and temperature adjustment knob 11 adopts phase-shift trigger circuit for thyrictor to control the heating power of heating rod, the fixed support 13 for supporting box 4 is provided with bottom described casing 4, preferably, described fixed support 13 totally 2, and symmetry is located at both sides, casing 4 lower end, the material of fixed support 13 is metal, and fixed support 13 is for strengthening casing 4 structural strength and this humiture experimental box being fixed on laboratory table desktop.
Fig. 3 is the measuring system structural drawing of described humiture for teaching measures experimental provision, the measuring system of described humiture for teaching measures experimental provision comprises measurement main body, processes temperature signal and display unit and humidity signal processing and display unit, measure main body to be made up of temperature sensor 15 and humidity sensor 16, the temperature signal measuring main body acquisition sends into processes temperature signal and display unit after temperature signal regulation processing of circuit, preferably, described temperature signal regulation circuit adopts AD590 temperature signal regulation circuit, the concrete structure of AD590 temperature signal regulation circuit as shown in Figure 4, the moisture signal measuring main body acquisition is sent to humidity signal processing and display unit.
Fig. 5 is the circuit diagram of processes temperature signal and display unit, described processes temperature signal and display unit are by power circuit A 101, crystal oscillating circuit A 102, temperature signal input circuit 103, key circuit A 104, display circuit A 105 and Chip Microcomputer A 106 form, described Chip Microcomputer A 106 adopts STC12C5A60S2 type single-chip microcomputer, the supply voltage of signal display circuit is 10V, and the supply voltage of single-chip microcomputer used is 5V, this power circuit A 101 7805 voltage stabilizing chips achieve DC voltage converting circuit, crystal oscillating circuit A 102 provides the machine cycle for single-chip microcomputer work, key circuit A 104 reality is functional select switch, judge that carrying out the method whether tachometric survey function button press is: three pins of SW1 respectively with the RXD of STC12C5A60S2, TXD with INT0 tri-pins are connected (this three pin is multiplexing pins), now this three pin does universaling I/O port use, the status signal of final SW1 is exported by the P2 mouth of STC12C5A60S2, be connected on SN54HC138J, realize the Presentation Function of eight segment numeral pipes, display circuit A 105 adopts the dynamic display types of eight segment numeral pipes, measurement result by the P0 mouth of STC12C5A60S2 pass out to 8 bit strings enter and the D0 mouth of the shift register SN74HC573AN gone out to D7 mouth, then outputted in eight segment numeral pipes to Q7 mouth by Q0 mouth.
Fig. 7 ~ 10 are the process flow diagram of processes temperature signal and display unit, and described processes temperature signal links with the logical relation between the main settling signal converting unit of display unit, data display driver unit, key scan unit.Key scan and signal conversion unit complete and reset by the process of button stabilization, sub key and button, the conversion between humidity and segment encode value.Data display driver unit realizes the initialization of charactron, the judgement of displaying contents and selection.
Because humiture detects simultaneously, humidity signal processing and display unit are independent circuits.
Fig. 6 is the structural representation of humidity signal processing and display unit, described humidity signal processing and display unit comprise power circuit B 201, crystal oscillating circuit B 202, moisture signal input circuit 203, key circuit B 204, display circuit B 205 and single-chip microcomputer B 206, described single-chip microcomputer B 206 adopts STC12C5A60S2 type single-chip microcomputer, the supply voltage of signal display circuit is 10V, and the supply voltage of single-chip microcomputer used is 5V, this power circuit B 201 7805 voltage stabilizing chips achieve DC voltage converting circuit; Described crystal oscillating circuit B 202 provides the machine cycle for single-chip microcomputer B 206 works, and the capacitance of multivibrator to HS1101 sensor that described moisture signal input circuit 203 is made up of 555 integrated circuit is measured and input; Described key circuit B 204 reality is functional select switch.Judge that carrying out the method whether tachometric survey function button press is: three pins of SW1 are connected (this three pin is multiplexing pins) with RXD, TXD and INT0 tri-pins of STC12C5A60S2 respectively, now this three pin does universaling I/O port use, the status signal of final SW1 is exported by the P2 mouth of STC12C5A60S2, be connected on SN54HC138J, realize selecting rotating speed to show the function of eight segment numeral pipes; Described display circuit B 205 adopts the dynamic display types of eight segment numeral pipes.Measurement result by the P0 mouth of STC12C5A60S2 pass out to 8 bit strings enter and the D0 mouth of the shift register SN74HC573AN gone out to D7 mouth, then outputted in eight segment numeral pipes to Q7 mouth by Q0 mouth.
Figure 11 ~ 16 are the process flow diagram of humidity signal processing and display unit, and described humidity signal processing links with the logical relation between the main settling signal converting unit of display unit, data display driver unit, key scan unit.Key scan and signal conversion unit complete and reset by the process of button stabilization, sub key and button, the conversion between humidity and segment encode value.Data display driver unit realizes the initialization of charactron, the judgement of displaying contents and selection.
Described humiture for teaching measures experimental provision volume is little, and cost is low, and expansion experiments is strong, and losser is easily changed, and then reduces use cost; Described humiture for teaching measures experimental provision adopts modular design, the modules such as detected source, sensor, data acquisition, data shaping, data display are combined effectively, enables the whole process that student grasps sensing, signals collecting, signal transacting, signal conversion all sidedly and transmits; Described humiture for teaching measures experimental provision can complete temperature and humidity test simultaneously, meets all kinds of civilian, agriculture and industry spot, the demand of ambient temperature and humidity.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (10)
1. a humiture for teaching measures experimental provision, comprise humidifier (2), steam conduit (3) and casing (4), it is characterized in that, the moisture outlet of described humidifier (2) is by steam conduit (3) connect box (4), and humidifier (2) is provided with humidifier adjusting knob (1), described casing (4) is enclosed construction, and one of them side of casing (4) is slidingtype board plug structure, support of heater rod (5) is provided with in described casing (4), circulating fan (6), aviation plug (8), conduit (9), temperature sensor (15) and humidity sensor (16), support of heater rod (5) is provided with heating rod, circulating fan (6) is located on casing (4) inwall, casing (4) top is provided with sensor signal line interface, aviation plug (8) is positioned at sensor signal line interface, conduit (9) upper end is connected to aviation plug (8), seal pad (17) is provided with in conduit (9) lower end, seal pad (17) and conduit (9) are engaged in conduit (9) and form sealed cavity, sensor conductor (14) is laid in sealed cavity, temperature sensor (15) and humidity sensor (16) are all fixed on seal pad (17) downside, and be all connected to aviation plug (8) by sensor conductor (14).
2. humiture for teaching measures experimental provision according to claim 1, is characterized in that, steam catheter interface is offered at described casing (4) top, and is provided with the joint (7) connecting steam conduit (3) in steam catheter interface.
3. humiture for teaching measures experimental provision according to claim 1, is characterized in that, described circulating fan (6) is located on the sidewall of casing (4) left side.
4. the humiture for teaching measures experimental provision according to claim 1 or 2 or 3, it is characterized in that, power control box (12) is provided with outside described casing (4), power control box (12) is provided with circulating fan switch (10) and temperature adjustment knob (11), circulating fan switch (10) electrical connection circulating fan (6), temperature adjustment knob (11) electrical connection heating rod, temperature adjustment knob (11) adopts phase-shift trigger circuit for thyrictor to control the heating power of heating rod.
5. humiture for teaching measures experimental provision according to claim 4, is characterized in that, described casing (4) bottom is provided with the fixed support (13) for supporting box (4).
6. humiture for teaching measures experimental provision according to claim 5, is characterized in that, described fixed support (13) totally 2, and symmetry is located at casing (4) both sides, lower end.
7. the humiture for teaching measures experimental provision according to claim 1 or 2 or 3 or 5 or 6, it is characterized in that, described humidifier (2) is ultrasonic humidifier; Described temperature sensor (15) adopts AD590J semiconductor ic temperature transducer, and humidity sensor (16) adopts HS1101 humicap type relative humidity sensor.
8. humiture for teaching measures experimental provision according to claim 7, is characterized in that, the material of described joint (7) is plastics; The material of described casing (4) is organic glass; The material of described conduit (9) is stainless steel; The material of described fixed support (13) is metal.
9. the measuring system of the humiture for teaching measures experimental provision as described in claim 1 or 2 or 6 or 8, it is characterized in that, the measuring system of described humiture for teaching measures experimental provision comprises measurement main body, processes temperature signal and display unit and humidity signal processing and display unit, measure main body to be made up of temperature sensor (15) and humidity sensor (16), the temperature signal measuring main body acquisition sends into processes temperature signal and display unit after temperature signal regulation processing of circuit, the moisture signal measuring main body acquisition is sent to humidity signal processing and display unit.
10. the measuring system of humiture for teaching measures experimental provision according to claim 9, is characterized in that, described temperature signal regulation circuit adopts AD590 temperature signal regulation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510219084.2A CN104900128A (en) | 2015-04-30 | 2015-04-30 | Humiture measuring experiment apparatus for teaching, and measuring system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510219084.2A CN104900128A (en) | 2015-04-30 | 2015-04-30 | Humiture measuring experiment apparatus for teaching, and measuring system thereof |
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| CN104900128A true CN104900128A (en) | 2015-09-09 |
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| CN201510219084.2A Pending CN104900128A (en) | 2015-04-30 | 2015-04-30 | Humiture measuring experiment apparatus for teaching, and measuring system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397098A (en) * | 2020-11-30 | 2021-02-23 | 北京中科开迪软件有限公司 | Heating equipment for mother disc of blue-ray disc |
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| CN103700308A (en) * | 2013-11-29 | 2014-04-02 | 国家电网公司 | Switch cabinet condensation simulation device |
| CN203732182U (en) * | 2014-02-13 | 2014-07-23 | 湖北汽车工业学院 | Engine coolant temperature sensor measurement and control device |
| CN104568310A (en) * | 2015-01-19 | 2015-04-29 | 北京大学 | Testing device for high-temperature pressure sensor |
| CN204808727U (en) * | 2015-04-30 | 2015-11-25 | 宁波职业技术学院 | Experimental apparatus is measured to humiture for teaching |
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2015
- 2015-04-30 CN CN201510219084.2A patent/CN104900128A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1690531A (en) * | 2004-04-30 | 2005-11-02 | 乐金电子(天津)电器有限公司 | Air-conditioner heating rod configuration arrangement |
| JP2010160032A (en) * | 2009-01-07 | 2010-07-22 | Denso Corp | Capacity type humidity detector |
| CN201885817U (en) * | 2010-12-16 | 2011-06-29 | 东南大学 | High-precision temperature-sensing probe |
| CN102322680A (en) * | 2011-07-15 | 2012-01-18 | 西安交通大学 | Liquid metal sodium experimental loop electrical heating preheater |
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| CN112397098A (en) * | 2020-11-30 | 2021-02-23 | 北京中科开迪软件有限公司 | Heating equipment for mother disc of blue-ray disc |
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Application publication date: 20150909 |