CN211119865U - Energy-saving fume hood - Google Patents
Energy-saving fume hood Download PDFInfo
- Publication number
- CN211119865U CN211119865U CN201922240512.6U CN201922240512U CN211119865U CN 211119865 U CN211119865 U CN 211119865U CN 201922240512 U CN201922240512 U CN 201922240512U CN 211119865 U CN211119865 U CN 211119865U
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- China
- Prior art keywords
- air
- exhaust
- fume hood
- heat exchanger
- temperature sensor
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- Expired - Fee Related
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Abstract
The utility model discloses an energy-saving fume hood, including fume hood, exhaust temperature sensor, air heat exchanger, the flow valve of airing exhaust, outdoor exhaust fan, benefit wind flow valve, indoor benefit wind entry, outdoor induced draft fan and benefit wind temperature sensor, exhaust temperature sensor with the fume hood electricity is connected, air heat exchanger with the temperature sensor electricity of airing exhaust is connected, the flow valve of airing exhaust with the air heat exchanger electricity is connected, it is connected with the air heat exchanger electricity to mend the wind flow valve, it links to each other with outdoor induced draft fan to mend wind temperature sensor. The utility model relates to a technical field of fume hood specifically is an energy-saving fume hood, and this fume hood carries out the temperature-sensing to gas through when discharging indoor steam or air conditioning, self-starting when indoor outer temperature is too big, utilizes gaseous temperature of exhaust to heat up or cool down outdoor mend the gaseous temperature of wind, has reduced power consumption, has reduced the waste that can select, has fully realized waste utilization's purpose.
Description
Technical Field
The utility model relates to a fume hood technical field specifically indicates energy-saving fume hood.
Background
It is common to be flammable and explosive and corrode poisonous reagent in scientific experiment, thereby need go on in the fume hood and protect operating personnel and laboratory equipment facility safety, traditional fume hood and relevant fume apparatus usually directly get from the laboratory when airing exhaust and already air conditioning system refrigerate or heated air, mend the air in the laboratory once more and need heat or refrigerate, increased power consumption, caused certain energy waste, consequently, it is necessary to improve prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned current difficult problem, the utility model provides an energy-saving fume hood, this fume hood carries out the temperature-sensing to gas through when discharging indoor steam or air conditioning, self-starting when indoor outer temperature is too big, utilizes gaseous temperature of exhaust to heat up or cool down outdoor mend the gaseous temperature of wind, has reduced power consumption, has reduced the waste of the energy, has fully realized waste utilization's purpose.
The utility model adopts the following technical scheme: an energy-saving fume hood comprises a fume hood, an exhaust air temperature sensor, an air heat exchanger, an exhaust air flow valve, an outdoor exhaust air fan, an air supplement flow valve, an indoor air supplement inlet, an outdoor air suction fan and an air supplement temperature sensor, wherein the exhaust air temperature sensor is electrically connected with the fume hood, the air heat exchanger is electrically connected with the exhaust air temperature sensor, the exhaust air flow valve is electrically connected with the air heat exchanger, the outdoor exhaust air fan is connected with an exhaust air flow valve, the air supplement flow valve is electrically connected with the air heat exchanger, the outdoor air suction fan is connected with the air supplement flow valve, the air supplement temperature sensor is connected with the outdoor air suction fan, the indoor air supplement inlet is connected with the air heat exchanger, the exhaust air temperature sensor senses the temperature of the air flow discharged indoors, and the air supplement temperature sensor senses the temperature of the air flow sucked, the air heat exchanger neutralizes indoor and outdoor temperatures, the air supplementing flow valve controls air supplementing flow, and the exhaust flow valve controls exhaust flow.
Furthermore, a temperature controller is arranged on the fume hood, the air supplementing flow valve is electrically connected with the temperature controller, the air exhaust temperature sensor is electrically connected with the temperature controller, the air supplementing temperature sensor is electrically connected with the temperature controller, the outdoor air suction fan is electrically connected with the temperature controller, the outdoor air exhaust fan is electrically connected with the temperature controller, and the temperature controller controls the temperature neutralization through the temperature difference between the air supplementing temperature sensor and the air exhaust temperature sensor.
Furthermore, the outdoor suction fan is electrically connected with the air heat exchanger, the air supplementing temperature sensor is electrically connected with the air heat exchanger, and the exhaust flow valve is electrically connected with the air heat exchanger.
Further preferably, the temperature controller is preferably an electronic temperature controller.
Further, preferably, the air heat exchanger is preferably provided with a heat dissipating bank pipe.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the utility model provides an energy-saving fume hood, this fume hood carry out the temperature-sensing to gas through when discharging indoor steam or air conditioning, self-starting when indoor outer temperature is too big, utilize exhaust gas's temperature to heat up or cool down outdoor mend the gaseous temperature of wind, reduced power consumption, reduced the waste of the energy, fully realized waste utilization's purpose.
Drawings
Fig. 1 is a schematic view of the overall structure of the energy-saving fume hood of the present invention;
fig. 2 is a circuit diagram of the energy-saving fume hood temperature controller of the present invention.
The system comprises a fume hood 1, a fume hood 2, an exhaust air temperature sensor 3, an air heat exchanger 4, an exhaust air flow valve 5, an outdoor exhaust air fan 6, an air supplement flow valve 7, an indoor air supplement inlet 8, an outdoor suction air fan 9, an air supplement temperature sensor 10 and a temperature controller.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following embodiments, and the technical features or the connection relations of the present invention, which are not described in detail, are the prior art adopted.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, the technical scheme adopted by the utility model is as follows: energy-saving fume hood, including fume hood 1, exhaust air temperature sensor 2, air heat exchanger 3, the discharge air flow valve 4, outdoor exhaust air fan 5, air supplement flow valve 6, indoor air supplement entry 7, outdoor induced draft fan 8 and air supplement temperature sensor 9, exhaust air temperature sensor 2 with fume hood 1 electricity is connected, air heat exchanger 3 with exhaust air temperature sensor 2 electricity is connected, exhaust air flow valve 4 with air heat exchanger 3 electricity is connected, outdoor exhaust air fan 5 links to each other with discharge air flow valve 4, air supplement flow valve 6 is connected with air heat exchanger 3 electricity, outdoor induced draft fan 8 with air supplement flow valve 6 links to each other, air supplement temperature sensor 9 links to each other with outdoor induced draft fan 8, indoor air supplement entry 7 links to each other with air heat exchanger 3.
The ventilating cabinet is characterized in that a temperature controller 10 is arranged on the ventilating cabinet 1, the air supplementing flow valve 6 is electrically connected with the temperature controller 10, the exhaust flow valve 4 is electrically connected with the temperature controller 10, the exhaust temperature sensor 2 is electrically connected with the temperature controller 10, the air supplementing temperature sensor 9 is electrically connected with the temperature controller 10, the outdoor air suction fan 8 is electrically connected with the temperature controller 10, and the outdoor air exhaust fan 5 is electrically connected with the temperature controller 10.
The outdoor suction fan 8 is electrically connected with the air heat exchanger 3, the air supplementing temperature sensor 9 is electrically connected with the air heat exchanger 3, and the exhaust flow valve 4 is electrically connected with the air heat exchanger 3.
The temperature controller 10 is preferably an electronic temperature controller.
The air heat exchanger 3 is preferably arranged with heat dissipating rows.
When the device is used, when a user uses the fume hood 1, the fume hood 1 works to suck indoor air out and pass through the exhaust air temperature sensor 2, the exhaust air temperature sensor 2 senses indoor air flow temperature and conveys the air flow into the air heat exchanger 3, fresh air needs to be sucked from the outdoor while the indoor air is exhausted, the air supplement temperature sensor 9 positioned outdoors senses the temperature of the outdoor air flow and sucks the outdoor air flow into the room through the outdoor air suction fan 8, the temperature controller 10 on the fume hood 1 controls the outdoor air suction fan 8 to be opened, the temperature controller 10 compares the temperature difference sensed by the exhaust air temperature sensor 2 and the different temperatures sensed by the air supplement temperature sensor 9, when the temperature difference between the indoor and the outdoor is too large, the temperature controller 10 controls the air supplement flow valve 6 to be opened, so that the outdoor temperature enters slowly and flows into the air heat exchanger 3, meanwhile, the indoor air flowing through the air heat exchanger 3 meets the air flow with the temperature difference flowing in from the outside without contact, then the two air flows are neutralized in the air heat exchanger 3 in temperature, the neutralized fresh air enters the indoor through the indoor air supply inlet 7, at the moment, the flow of the exhaust gas is controlled by controlling the flow of the exhaust flow valve 4 under the control of the temperature controller 10, and the exhaust gas is exhausted from the outdoor exhaust fan 5, so that the use process of the whole energy-saving type fume hood is realized.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. Energy-saving fume hood, its characterized in that: including fume hood, exhaust temperature sensor, air heat exchanger, the flow valve of airing exhaust, outdoor exhaust fan, mend wind flow valve, indoor mend wind entry, outdoor induced draft fan and mend wind temperature sensor, exhaust temperature sensor with the fume hood electricity is connected, air heat exchanger with the temperature sensor electricity of airing exhaust is connected, the flow valve of airing exhaust with the air heat exchanger electricity is connected, outdoor exhaust fan links to each other with the flow valve of airing exhaust, mend wind flow valve and air heat exchanger electricity and be connected, outdoor induced draft fan with the flow valve of mending wind links to each other, mend wind temperature sensor and outdoor induced draft fan link to each other, indoor mended wind entry links to each other with air heat exchanger.
2. An energy efficient fume hood as defined in claim 1 wherein: the ventilating cabinet is provided with a temperature controller, the air supplementing flow valve is electrically connected with the temperature controller, the air exhaust temperature sensor is electrically connected with the temperature controller, the air supplementing temperature sensor is electrically connected with the temperature controller, the outdoor air suction fan is electrically connected with the temperature controller, and the outdoor air exhaust fan is electrically connected with the temperature controller.
3. An energy efficient fume hood as defined in claim 2 wherein: the outdoor suction fan is electrically connected with the air heat exchanger, the air supplementing temperature sensor is electrically connected with the air heat exchanger, and the air exhaust flow valve is electrically connected with the air heat exchanger.
4. An energy efficient fume hood as defined in claim 3 wherein: the temperature controller is an electronic temperature controller.
5. An energy efficient fume hood as defined in claim 4 wherein: the air heat exchanger is arranged for a heat dissipation calandria.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922240512.6U CN211119865U (en) | 2019-12-14 | 2019-12-14 | Energy-saving fume hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922240512.6U CN211119865U (en) | 2019-12-14 | 2019-12-14 | Energy-saving fume hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211119865U true CN211119865U (en) | 2020-07-28 |
Family
ID=71690998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922240512.6U Expired - Fee Related CN211119865U (en) | 2019-12-14 | 2019-12-14 | Energy-saving fume hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211119865U (en) |
-
2019
- 2019-12-14 CN CN201922240512.6U patent/CN211119865U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200728 Termination date: 20211214 |