CN204141839U - A kind of water circulation constant temperature thermal source experimental provision of automatic temperature control heating - Google Patents
A kind of water circulation constant temperature thermal source experimental provision of automatic temperature control heating Download PDFInfo
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- CN204141839U CN204141839U CN201420573118.9U CN201420573118U CN204141839U CN 204141839 U CN204141839 U CN 204141839U CN 201420573118 U CN201420573118 U CN 201420573118U CN 204141839 U CN204141839 U CN 204141839U
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Abstract
The utility model discloses a kind of water circulation constant temperature thermal source experimental provision of automatic temperature control heating.This device is made up of heating water tank, temperature and water circulation control device and constant temp. heating water pot; Heating water tank is divided into the first water tank and the second water tank, the first water tank built-in electric heater, water-circulating pump, cooling-water temperature sensor and liquid level sensor, the built-in water-circulating pump of the second water tank and cooling-water temperature sensor; First water tank and the second water tank are communicated by the tube connector on adiabatic thermal insulation poly (methyl methacrylate) plate; Heating water tank sidewall opens 4 holes, installs filler pipe, outlet pipe, return pipe and cable conduit respectively; Temperature and water circulation control device are made up of power switch, power-off protector, temperature controller, relay, water-circulating pump switch and automatic filling water controller; Constant-temperature hot water tank top welding water inlet pipe and an outlet pipe, be connected respectively by the outlet pipe of adiabatic pipeline and heating water tank and return pipe.This apparatus design is simple, light and handy, and easy to operate, temperature-controlled precision is high, applied widely.
Description
Technical field
The utility model relates to a kind of water circulation constant temperature thermal source experimental provision of automatic temperature control heating, belongs to environmental geotechnical measuring instrument manufacturing technology and field tests.
Background technology
The thermophysical property of Rock And Soil is the key content that environmental geotechnical is paid close attention to.In recent years, along with expanding economy, people encounter a series of problem closely-related with Rock And Soil thermophysical property in various engineering construction:
the wet migration of the heat of the soil body in superficial-layer geothermal energy recovery process;
city " heat island " effect is on the impact of the soil body;
soil body heat in the underground space such as subway, tunnel transmits and diffusion;
the prevention etc. of underground thermal pollution.In these engineering problems, the thermophysical property of Rock And Soil affects heat transfer process on the one hand, and engineering activity changes the temperature field of geological environment on the other hand, have impact on again the engineering properties of Rock And Soil, shows complicated coupling effect.Therefore, when studying the above-mentioned environmental geotechnical engineering problems relevant to heat, carrying out laboratory experiment to the thermophysical property of Rock And Soil and correlative coupling effect is a kind of requisite means; And in laboratory experiment process, a kind of can Automatic-heating, accurate temperature controlling provide the thermal source experimental provision of steady temperature to be vital precondition.At present, laboratory generally adopts the method such as " Resistant heating " and " heating water bath " to make experiment heat power supply device.The heating of " Resistant heating " method is uneven, and temperature is wayward." heating water bath " method is that water is heated to store after uniform temperature through heating source, when naturally cooling to below this temperature, and Automatic-heating; Moisture when adopting this method in heating water tank easily evaporates, and for keeping tank middle water level constant, need often add water in tank, it is constant that the instantaneous water trough inner water temperature that adds water is difficult to maintenance.
Summary of the invention
The purpose of this utility model be overcome that the heating of traditional experiment thermal source is uneven, water temperature is difficult to maintain the shortcoming such as constant, there is provided a kind of water circulation constant temperature thermal source experimental provision of automatic temperature control heating, the thermophysical property laboratory experiment for Environmental Geotechnical body provides a constant temperature thermal source.This apparatus design is simple, light and handy, and easy to operate, temperature-controlled precision is high, applied widely.
The utility model is achieved in that a kind of water circulation constant temperature thermal source experimental provision of automatic temperature control heating, is made up of heating water tank, temperature and water circulation control device and constant temp. heating water pot; Heating water tank adopts 20L vehicle-mounted incubator as thermal-insulating body, by adiabatic thermal insulation poly (methyl methacrylate) plate, water tank is divided into the first water tank and the second water tank; The major function of the first water tank makes the water temperature of its inside reach target temperature, built-in electric heater, water-circulating pump, cooling-water temperature sensor and liquid level sensor; Second water tank is used for storing the thermostatted water reaching target temperature, built-in water-circulating pump and cooling-water temperature sensor; Communicated by the tube connector on adiabatic thermal insulation poly (methyl methacrylate) plate between first water tank and the second water tank, the coupling cock on it is controlled by the cooling-water temperature sensor of the first water tank inside and external temperature controller; Have 4 circular holes in thermal-insulating body two side, be used for respectively filler pipe, outlet pipe, return pipe and cable conduit are installed; Temperature and water circulation control device are made up of power switch, power-off protector, temperature controller, relay, internal water circulation switch pump, external water circulation switch pump and automatic filling water controller, and concentrate be arranged on one piece of thick poly (methyl methacrylate) plate of 20mm; Temperature controller for setting re-set target temperature, and jointly controls electric heater by relay and cooling-water temperature sensor; Automatic filling water controller controls to add taps by liquid level sensor; Internal water circulation switch pump controls the internal water circulation of heating water tank, the external water circulation of external water circulation switch pump Control release device; Power-off protector transships at circuit, short circuit, under-voltage protect reliably; Constant temp. heating water pot adopts fine copper to make a sealing cuboid, its top welding water inlet pipe and an outlet pipe, be connected with return pipe with the outlet pipe of heating water tank respectively by adiabatic pipeline, define the external water circulation of experimental provision, during experiment, the constant-temperature hot water of its inner loop can provide constant heat source temperature.
The beneficial effects of the utility model are: the water circulation constant temperature thermal source experimental provision of automatic temperature control heating, adopt thermostatical circulating water to provide the thermal source of steady temperature, overcome the shortcoming that heating is uneven; Meanwhile, by arranging the first water tank and the second water tank, the circulating water temperature of experimental provision can be made to keep constant, overcoming water temperature in traditional water bath method and being difficult to maintain constant shortcoming; Finally, by the conbined usage of automatic filling water controller and liquid level sensor, namely avoid the problem that in heating process, moisture evaporation causes, achieve again automatic watering and prevent the functions such as dry combustion method, reaching energy-conservation, safe object.
Accompanying drawing explanation
Fig. 1 is the heating water tank structural representation of the water circulation constant temperature thermal source experimental provision of the utility model automatic temperature control heating.
Fig. 2 is temperature and the water circulation control device structural representation of the water circulation constant temperature thermal source experimental provision of the utility model automatic temperature control heating.
Fig. 3 is the constant-temperature hot water jar structure schematic diagram of the water circulation constant temperature thermal source experimental provision of the utility model automatic temperature control heating.
Mark in figure: 1-thermal-insulating body; The adiabatic thermal insulation poly (methyl methacrylate) plate of 2-; 3-first water tank; 4-second water tank; 5-electric heater; 6-water-circulating pump; 7-cooling-water temperature sensor; 8-liquid level sensor; 9-tube connector; 10-outlet pipe; 11-return pipe; 12-filler pipe; 13-cable conduit; The thick poly (methyl methacrylate) plate of 14-20mm; 15-power switch; 16-power-off protector; 17-temperature controller; 18-relay; 19-internal water circulation switch pump; 20-external water circulation switch pump; 21-automatic filling water controller; 22-constant temp. heating water pot; 23-water inlet pipe; 24-outlet pipe.
Detailed description of the invention
embodiment:
Details are as follows by reference to the accompanying drawings for a preferred embodiment of the present utility model:
See Fig. 1 ~ 3, the water circulation constant temperature thermal source experimental provision of the utility model automatic temperature control heating, comprises heating water tank, temperature and water circulation control device and constant temp. heating water pot.Heating water tank adopts 20L vehicle-mounted incubator as thermal-insulating body 1, by adiabatic thermal insulation poly (methyl methacrylate) plate 2, water tank is divided into the first water tank 3 and the second water tank 4; First water tank 3 built-in electric heater 5, water-circulating pump 6, cooling-water temperature sensor 7 and liquid level sensor 8, the built-in water-circulating pump 6 of second water tank 4 and cooling-water temperature sensor 7, communicated by the tube connector 9 on adiabatic thermal insulation poly (methyl methacrylate) plate 2 between first water tank 3 and the second water tank 4, the coupling cock on it is controlled by the cooling-water temperature sensor 7 of the first water tank 3 inside and external temperature controller 17; Have 4 circular holes in thermal-insulating body two side, be used for respectively outlet pipe 10, return pipe 11, filler pipe 12 and cable conduit 13 are installed.Temperature and water circulation control device are made up of power switch 15, power-off protector 16, temperature controller 17, relay 18, internal water circulation switch pump 19, external water circulation switch pump 20, automatic filling water controller 21, install concentratedly on one piece of thick poly (methyl methacrylate) plate 14 of 20mm.Constant temp. heating water pot 22 adopts the very little fine copper of thermal conduction resistance to make a sealing cuboid, top welding water inlet pipe 23 and an outlet pipe 24, be connected with return pipe 11 with the outlet pipe 10 of heating water tank respectively by adiabatic pipeline, define the external water circulation of experimental provision, during experiment, the constant-temperature hot water of its inner loop can provide constant heat source temperature.
Be more than that the structure of embodiment device described in the utility model describes, below the operation principle of its each several part and whole implementing procedure be described in detail.
Each several part illustrates and operation principle:
(1) heating water tank: adopt 20L vehicle-mounted incubator as thermal-insulating body 1, tank material is import PP polypropylene, intermediate course adopts high-quality EPS heat preservation module, and case lid edge and case body everywhere interface all coordinate the seamless design in position with high accuracy, can be incubated lastingly; By adiabatic thermal insulation poly (methyl methacrylate) plate 2, water tank is divided into the first water tank 3 and the second water tank 4, volume is respectively 12L and 8L; Have 4 circular holes in thermal-insulating body both sides, be used for respectively outlet pipe 10, return pipe 11, filler pipe 12 and cable conduit 13 are installed.First water tank 3 is mainly used to make its water temperature inside be heated to target temperature, and keep water level constant, for the second water tank 4 provides constant-temperature hot water, its operation principle is: outside temperature controller 17 sets re-set target temperature, built-in cooling-water temperature sensor 7 measures water temperature and feeds back to temperature controller 17, is controlled startup and the closedown of built-in electric heater 5 by relay 18; Built-in liquid level sensor 8 controls the opening and closing adding taps, and in guard box, water level is constant; Built-in water-circulating pump 6, for the circulation of water in case, promotes the heat diffusion around electric heater 5, makes water temperature in case even as early as possible.Second water tank 4 is mainly used to store the thermostatted water reaching target temperature, and by built-in water-circulating pump 6, water in case is flowed in constant temp. heating water pot 22.Communicated by the tube connector 9 on adiabatic thermal insulation poly (methyl methacrylate) plate 2 between first water tank 3 and the second water tank 4, coupling cock on it is controlled by the cooling-water temperature sensor 7 of the first water tank 3 inside and external temperature controller 17, its operation principle is: when the water temperature in the first water tank 3 reaches target temperature, built-in cooling-water temperature sensor 7 test water temperature value also feeds back to external temperature controller 17, opens coupling cock by its control; Otherwise when the water temperature in the first water tank 3 is lower than target temperature, temperature controller 17 controls closed communicating switch automatically.
(2) electric heater 5: adopting two power in parallel to be the electric heater cooperation of 800W, for expanding its heated perimeter, respectively connecting a fin at electric heater upper and lower faces, make hydro-thermal diffusion in case evenly, heating effect is better; By bolt by electric heater and upper and lower fin compact siro spinning technology integral, be fixed on the middle part bottom the first water tank 3 by 4 supports.
(3) water-circulating pump 6: adopt JY-PG-150 type immersible pump, H-Max 1.6m, maximum stream flow 800L/h; Symmetrical around the electric heater 5 that the first water tank 3 is built-in two immersible pumps are installed, for the circulation of water tank internal water, promote the heat diffusion around heater, to make in case water temperature as early as possible evenly (being referred to as " Inner eycle "); Second water tank 4 madial wall installs an immersible pump, is positioned at 10cm place immediately below outlet pipe, is connected with outlet pipe by flexible pipe, for the external water circulation (being referred to as " outer circulation ") of experimental provision.
(4) cooling-water temperature sensor 7: adopt PT-100 platinum resistance temperature sensor, stated accuracy is 0.1 DEG C, and measurement category is-20 ~ 150 DEG C; Medium position in the case by fixture cooling-water temperature sensor 7 being individually fixed in the first water tank 3 and the second water tank 4, for measuring the temperature of water in case; Cooling-water temperature sensor 7 and water temperature regulater 17, relay 18 conbined usage of the first water tank 3, carry out thermostatic control to the temperature of water in case.
(5) liquid level sensor 8: adopt ZC-SS200L side-mounting tank ball-float valve, use U.S. OKI import tongue tube and SUS304 material to make, operating temperature is within 120 DEG C; External automatic filling water controller 21 is connected with the taps that adds on filler pipe 12, the water level height in the first water tank 3 is responded to by liquid level sensor 8, triple combination controls water level, its operation principle is: liquid level sensor 8 has high and low two induction points, when water level in case is lower than low induction point, controller 21 is automatically opened and is added taps, adds water to water tank; When water level in case is higher than high induction point, controller 21 is automatically closed adds taps, stops adding water to water tank.
(6) temperature and water circulation control device: comprise power switch 15, power-off protector 16, temperature controller 17, relay 18, water circulation switch 19 (20) and automatic filling water controller 21, its operation principle is: temperature controller 17 sets re-set target temperature, and jointly controls electric heater 5 by relay 18 and cooling-water temperature sensor 7; Automatic filling water controller 21 controls to add taps by liquid level sensor 8; The water circulation of water-circulating pump switch 19 (20) Control release device, is divided into the internal water circulation of heating water tank and the external water circulation of experimental provision; Power-off protector 16 transships at circuit, short circuit, under-voltage protect reliably; Above-mentioned power switch 15, power-off protector 16, temperature controller 17, relay 18, water-circulating pump switch 19 (20), automatic filling water controller 21 are all installed concentratedly on one piece of thick poly (methyl methacrylate) plate 14 of 20mm.
(7) constant temp. heating water pot 22: adopt the very little fine copper of thermal conduction resistance to make a sealing cuboid, for preventing heat loss, only thermal source contact wall is smooth fine copper plane, other each is all sticked adiabatic temperature insulating material, and the size of tank body requires depending on the contact surface of thermal source during experiment; Hot-water cylinder top welding water inlet pipe 23 and an outlet pipe 24, be connected with return pipe 11 with the outlet pipe 10 of heating water tank respectively by adiabatic pipeline, define the external water circulation of experimental provision, during experiment, the constant-temperature hot water of its inner loop can provide constant heat source temperature; Water inlet pipe 23 gos deep into tank base, and the direct welding of outlet pipe 24 is at tank body top, and water inlet caliber is slightly smaller than water outlet caliber, and object ensures that the water under water-circulating pump effect in tank does not produce excessive pressure.
For heat source temperature T=40 DEG C, illustrate that the whole implementing procedure of this device is as follows:
Step 1: be connected on the tap of laboratory by filler pipe 12 flexible plastic tube, opens tap and water is entered in the first water tank 3, and keep tap to be in open mode always.
Step 2: connect the power supply of temperature and water circulation control device and turn on the power switch; Automatic filling water controller 21 controls filler pipe 12 adds taps by liquid level sensor 8, makes water level in the first water tank to correct position.
Step 3: the temperature of temperature controller 17 is set as 40 DEG C; Temperature controller 17 jointly controls electric heater 5 by relay 18 and cooling-water temperature sensor 7, heats the water in the first water tank 3.
Step 4: two water-circulating pumps opened in internal water circulation switch pump 19, first water tank 3 start running, constantly to be circulated the heat diffusion promoted around electric heater 5 by the water in case, accelerates even water temperature.
Step 5: when the cooling-water temperature sensor 7 in the first water tank 3 measures that in case, water temperature is 40 DEG C, feed back to temperature controller 17, close electric heater 5 by relay 18, stop heating water in case; Meanwhile, the coupling cock on tube connector 9 opened by temperature controller 17, makes the thermostatted water of 40 DEG C flow into the second water tank 4.Now, the water level decreasing in the first water tank 3, automatic filling water controller 21 controls filler pipe 12 adds taps by liquid level sensor 8, makes water level in the first water tank to correct position; Because the temperature newly adding water is lower, water temperature in first water tank in 3 will lower than 40 DEG C, the coupling cock that temperature controller 17 will cut out on tube connector 9, synchronously, temperature controller 17 jointly controls electric heater 5 by relay 18 and cooling-water temperature sensor 7, heats the water in the first water tank 3.So repeatedly several times, until 40 DEG C of constant temperature water levels in the second water tank 4 are to correct position.
Step 6: the water-circulating pump 6 opened in external water circulation switch pump 20, second water tank 4 makes water in case flow in constant temp. heating water pot 22; After the in-built full water of constant temp. heating water pot 22, due to the effect of pressure, unnecessary water will be flow in the first water tank 3 through return pipe 11 by outlet pipe 24, then carry out water circulation in case.So, define the whole external water circulation of experimental provision, during experiment, the constant-temperature hot water of its inner loop can provide constant heat source temperature.
Claims (1)
1. the water circulation constant temperature thermal source experimental provision of an automatic temperature control heating, be made up of heating water tank, temperature and water circulation control device and constant temp. heating water pot, it is characterized in that heating water tank adopts 20L vehicle-mounted incubator as thermal-insulating body (1), by adiabatic thermal insulation poly (methyl methacrylate) plate (2), water tank is divided into the first water tank (3) and the second water tank (4); First water tank (3) built-in electric heater (5), water-circulating pump (6), cooling-water temperature sensor (7) and liquid level sensor (8), second water tank (4) built-in water-circulating pump (6) and cooling-water temperature sensor (7), communicated by the tube connector (9) on adiabatic thermal insulation poly (methyl methacrylate) plate (2) between first water tank (3) and the second water tank (4), the coupling cock on it is by the inner cooling-water temperature sensor (7) of the first water tank (3) and external temperature controller (17) control; Have four circular holes in thermal-insulating body two side, be used for respectively outlet pipe (10), return pipe (11), filler pipe (12) and cable conduit (13) are installed; Temperature and water circulation control device are made up of power switch (15), power-off protector (16), temperature controller (17), relay (18), internal water circulation switch pump (19), external water circulation switch pump (20) and automatic filling water controller (21), and concentrate be arranged on one piece of thick poly (methyl methacrylate) plate of 20mm (14); Constant temp. heating water pot (22) adopts fine copper to make a sealing cuboid, top welding water inlet pipe (23) and an outlet pipe (24), be connected with return pipe (11) with the outlet pipe (10) of heating water tank respectively by adiabatic pipeline, define the external water circulation of experimental provision, during experiment, the constant-temperature hot water of its inner loop can provide constant heat source temperature.
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| CN201420573118.9U CN204141839U (en) | 2014-10-07 | 2014-10-07 | A kind of water circulation constant temperature thermal source experimental provision of automatic temperature control heating |
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| CN201420573118.9U CN204141839U (en) | 2014-10-07 | 2014-10-07 | A kind of water circulation constant temperature thermal source experimental provision of automatic temperature control heating |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288319A (en) * | 2015-05-25 | 2017-01-04 | 扬中市宏彬冷暖设备有限公司 | A kind of water warming blanket system and device |
| CN107065983A (en) * | 2017-01-22 | 2017-08-18 | 航天科工防御技术研究试验中心 | A kind of immersion test water tank |
| CN107608428A (en) * | 2017-09-25 | 2018-01-19 | 广西电网有限责任公司电力科学研究院 | A kind of composite insulator boiling test device |
| CN107608402A (en) * | 2017-09-25 | 2018-01-19 | 广西电网有限责任公司电力科学研究院 | A kind of automatic water-replenishing device for composite insulator boiling test |
| CN107703995A (en) * | 2017-09-25 | 2018-02-16 | 广西电网有限责任公司电力科学研究院 | A kind of automaton for composite insulator boiling test |
| CN107692841A (en) * | 2017-09-07 | 2018-02-16 | 广州亚俊氏电器有限公司 | A kind of immersion heat cycles device |
| CN111000459A (en) * | 2020-01-16 | 2020-04-14 | 郑州贴玲电子科技有限公司 | Water supply circulating device for food heat preservation |
-
2014
- 2014-10-07 CN CN201420573118.9U patent/CN204141839U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288319A (en) * | 2015-05-25 | 2017-01-04 | 扬中市宏彬冷暖设备有限公司 | A kind of water warming blanket system and device |
| CN107065983A (en) * | 2017-01-22 | 2017-08-18 | 航天科工防御技术研究试验中心 | A kind of immersion test water tank |
| CN107692841A (en) * | 2017-09-07 | 2018-02-16 | 广州亚俊氏电器有限公司 | A kind of immersion heat cycles device |
| WO2019047724A1 (en) * | 2017-09-07 | 2019-03-14 | 广州亚俊氏电器有限公司 | Immersion heating circulator |
| CN107692841B (en) * | 2017-09-07 | 2020-04-03 | 广州亚俊氏电器有限公司 | Immersion type heating circulator |
| CN107608428A (en) * | 2017-09-25 | 2018-01-19 | 广西电网有限责任公司电力科学研究院 | A kind of composite insulator boiling test device |
| CN107608402A (en) * | 2017-09-25 | 2018-01-19 | 广西电网有限责任公司电力科学研究院 | A kind of automatic water-replenishing device for composite insulator boiling test |
| CN107703995A (en) * | 2017-09-25 | 2018-02-16 | 广西电网有限责任公司电力科学研究院 | A kind of automaton for composite insulator boiling test |
| CN111000459A (en) * | 2020-01-16 | 2020-04-14 | 郑州贴玲电子科技有限公司 | Water supply circulating device for food heat preservation |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20171007 |