CN214469424U - Explosion-proof type heat preservation machine - Google Patents
Explosion-proof type heat preservation machine Download PDFInfo
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- CN214469424U CN214469424U CN202120480261.3U CN202120480261U CN214469424U CN 214469424 U CN214469424 U CN 214469424U CN 202120480261 U CN202120480261 U CN 202120480261U CN 214469424 U CN214469424 U CN 214469424U
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Abstract
The utility model belongs to the technical field of heat preservation, in particular to an explosion-proof heat preservation machine, which comprises a shell, a heat preservation unit, an explosion-proof box, a contactor, a temperature controller and a temperature sensor; the heat preservation unit comprises a compressor, a condenser, a condensing fan, an evaporator, an evaporating fan and a heating device, and the contactor and the temperature controller are arranged in the explosion-proof box; the compressor, the condenser and the evaporator are sequentially connected through a pipeline, and the evaporator is connected with the compressor pipeline to form a closed pipeline circulation; a condensing fan is correspondingly arranged on the condenser shell; an air outlet and an air return inlet are respectively arranged at two ends in the shell, and the evaporation fan, the evaporator and the heating device form a circulating air duct; the compressor, the condensing fan, the evaporating fan, the heating device and the temperature sensor are respectively and electrically connected with a temperature controller, the temperature controller is electrically connected with a contactor, and the contactor is connected with an external power supply. The utility model discloses can use in the special place that has explosion-proof requirement, effectively avoid burning and explosion occurence of failure, operation safe and reliable.
Description
Technical Field
The utility model belongs to the technical field of keep warm, concretely relates to explosion-proof formula heat preservation machine that can use in place that has explosion-proof requirement.
Background
Some electrical equipment in special places with explosion-proof requirements, such as the heat preservation of vending machines of gas stations, the cooling of high-power consumption electrical equipment of petrochemical plants and the like, need heat preservation equipment for cooling or heating. Currently, there is no suitable warmer that can well meet these needs. Therefore, the research and design of an explosion-proof heat preservation machine which can well meet the requirements of the special places is a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome above-mentioned prior art not enough, and provide an explosion-proof formula heat preservation machine, can use in the special place that has explosion-proof requirement, effectively avoid burning and explosion occurence of failure, and move safe and reliable.
In order to solve the technical problem, the utility model discloses a technical scheme does:
designing an explosion-proof heat preservation machine, which comprises a shell, a heat preservation machine set and an explosion-proof box which are fixed in the shell, a contactor, a temperature controller and a temperature sensor; the heat preservation unit comprises a compressor, a condenser, a condensing fan, an evaporator, an evaporating fan and a heating device, wherein the contactor and the temperature controller are arranged in the explosion-proof box; the compressor, the condenser and the evaporator are sequentially connected through a pipeline, and the evaporator is connected with the compressor pipeline to form a closed pipeline circulation; a condensing fan is correspondingly arranged on the shell of the condenser; an air outlet and an air return inlet are respectively arranged at two ends in the shell, wherein the air outlet and the air return inlet arranged at one end are correspondingly arranged in front of and behind the condensing fan, the evaporating fan is arranged at the air outlet at the other end, the heating device is arranged at the air return inlet at the other end, and the evaporating fan, the evaporator and the heating device form a single-circulation air channel;
the compressor, the condensing fan, the evaporating fan, the heating device and the temperature sensor are respectively and electrically connected with a temperature controller, the temperature controller is electrically connected with a contactor, and the contactor is connected with an external power supply.
Preferably, in the above explosion-proof heat preservation machine, the number of the temperature controllers is the same as that of the temperature sensors.
Preferably, in the explosion-proof heat preservation machine, an expansion pipe and a throttling capillary pipe are arranged between the condenser and the evaporator.
Preferably, in the above explosion-proof heat preservation machine, the condensing fan is an axial flow fan, and a motor thereof is an ac brushless motor.
Preferably, in the above explosion-proof heat preservation machine, the evaporation fan is a cross flow fan, and a motor thereof is an ac brushless motor.
The utility model has the advantages of:
the explosion-proof heat preservation machine of the utility model can meet the requirements of special places with explosion-proof requirements on heat preservation equipment, and the heat preservation equipment is utilized to carry out refrigeration, temperature reduction or heating, thereby having double functions of refrigeration and heating; and in particular can simultaneously meet the use requirements of two areas with explosion hazards. In conclusion, the explosion-proof heat preservation machine has reasonable structural design and is widely applied to various devices with the functions of regulating the environmental temperature of flammable and explosive gas places.
Drawings
FIG. 1 is a schematic view of the external three-dimensional structure of the explosion-proof heat preservation machine of the present invention;
FIG. 2 is a schematic bottom-up perspective view of the external angled view of FIG. 1;
FIG. 3 is a schematic view of the internal three-dimensional structure of the explosion-proof heat preservation machine of the present invention;
FIG. 4 is a block diagram of the working principle of the present invention;
in the figure, the serial numbers are 1, a compressor, 2, an evaporation fan, 3, an evaporator, 4, an expansion pipe, 5, a condenser, 6, a heating device, 7, a condensation fan, 8, an explosion-proof box, 9, a throttling capillary tube, 10, a shell, 11, 12, an air outlet, 13, 14 and an air return inlet.
The specific implementation mode is as follows:
the following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way.
Examples
Referring to fig. 1-3 (arrow marks the trend of wind in fig. 1), the embodiment of the present invention provides an explosion-proof heat preservation machine, which is composed of a compressor 1, a condenser 5, an evaporator 3, an expansion pipe (copper pipe) 4, a throttling capillary tube 9, a condensing fan 7, an evaporating fan 2, an explosion-proof box 8, a heating device 6, a housing 10 and other parts.
The pipeline outlet of the compressor 1 is connected with the pipeline inlet of the condenser 5, the pipeline outlet of the condenser 5 is connected with the pipeline inlet of the throttling capillary 9 through the expansion pipe (copper pipe) 4, the pipeline outlet of the throttling capillary 9 is connected with the pipeline inlet of the evaporator 3, and the pipeline outlet of the evaporator 3 is connected with the pipeline inlet of the compressor 1. The compressor 1, the condenser 5, the throttling capillary tube 9, the evaporator 3 and the compressor 1 form a closed pipeline circulation. The condensation fan 7 is arranged at one end of the shell of the condenser 5 and corresponds to an air outlet reserved on the shell of the condenser 5, and the condenser 5, the condensation fan 7, the compressor 1 and the explosion-proof box 8 are closed spaces. The two ends of the inside of the casing 10 are respectively provided with air outlets 11 and 12 and air return inlets 13 and 14. The condensing fan 7 is correspondingly provided with an air outlet 11 and an air return inlet 13 in front and back. The evaporation fan 2 is arranged at an air outlet 12 at the other end inside the shell 10, the heating device 6 is arranged at an air return opening 14 at the other end inside the shell 10, and the evaporation fan 7, the evaporator 3 and the heating device 6 form a single-phase circulating air duct.
Referring to fig. 4, the utility model discloses explosion-proof heat preservation machine's theory of operation as follows:
the user power supply is connected with the contactor, the contactor is electrified to supply power to the temperature controller A and the temperature controller B, and the temperature controller A and the temperature controller B are set at the moment and are respectively limited by high temperature and low temperature. After setting is finished, when the temperature of the position of one temperature sensor reaches the temperature limited by high temperature, the N, R end of the temperature controller A is electrified, the compressor, the evaporation fan and the condensation fan are respectively started, and the system starts to cool; when the temperature of the other temperature sensor is lower than the low-temperature limit temperature, the N, R end of the temperature controller B is electrified, the heating device and the evaporation fan are started, and the temperature rise of the system is started; thereby realizing the environmental temperature adjustment.
The explosion-proof heat preservation machine of the heat preservation machine carries out explosion-proof treatment between the compressor wiring terminal and the compressor shell. The explosion-proof type heat preservation machine condenser motor and the evaporator motor meet the requirement of a sparkless motor, and the heating device also meets the explosion-proof requirement; the contactor, the capacitor, the temperature controller and the motor wiring terminal of the explosion-proof heat preservation machine are arranged in an explosion-proof box, and the explosion-proof box is subjected to explosion-proof certification. After the explosion-proof treatment, the heat preservation machine meets the explosion-proof requirement, is used for selling heat preservation elements of equipment in places with explosion-proof requirements, and can be safely used in two areas with explosion hazards. Therefore, the explosion-proof heat preservation machine has reasonable structural design and is widely applied to various devices with the functions of regulating the environmental temperature of flammable and explosive gas places.
While the present invention has been described in detail with reference to the drawings and the embodiments, those skilled in the art will appreciate that various changes can be made in the specific parameters of the embodiments without departing from the spirit of the present invention, and that various specific embodiments can be formed, such as: the temperature controller that is connected with the contactor is not restricted to temperature controller A and temperature controller B etc. and is the utility model discloses a common range of variation, no longer detailed description one by one here.
Claims (5)
1. An explosion-proof formula heat preservation machine which characterized in that: the explosion-proof heat-insulation device comprises a shell, a heat-insulation unit and an explosion-proof box which are fixed in the shell, a contactor, a temperature controller and a temperature sensor; the heat preservation unit comprises a compressor, a condenser, a condensing fan, an evaporator, an evaporating fan and a heating device, wherein the contactor and the temperature controller are arranged in the explosion-proof box; the compressor, the condenser and the evaporator are sequentially connected through a pipeline, and the evaporator is connected with the compressor pipeline to form a closed pipeline circulation; a condensing fan is correspondingly arranged on the shell of the condenser; an air outlet and an air return inlet are respectively arranged at two ends in the shell, wherein the air outlet and the air return inlet arranged at one end are correspondingly arranged in front of and behind the condensing fan, the evaporating fan is arranged at the air outlet at the other end, the heating device is arranged at the air return inlet at the other end, and the evaporating fan, the evaporator and the heating device form a single-circulation air channel;
the compressor, the condensing fan, the evaporating fan, the heating device and the temperature sensor are respectively and electrically connected with a temperature controller, the temperature controller is electrically connected with a contactor, and the contactor is connected with an external power supply.
2. The explosion-proof heat preservation machine of claim 1, characterized in that: the quantity of the temperature controllers is consistent with that of the temperature sensors.
3. The explosion-proof heat preservation machine of claim 1, characterized in that: an expansion pipe and a throttling capillary pipe are arranged between the condenser and the evaporator.
4. The explosion-proof heat preservation machine of claim 1, characterized in that: the condensing fan is an axial flow fan, and the motor of the condensing fan is an alternating current brushless motor.
5. The explosion-proof heat preservation machine of claim 1, characterized in that: the evaporation fan is a cross flow fan, and the motor of the evaporation fan is an alternating current brushless motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120480261.3U CN214469424U (en) | 2021-03-05 | 2021-03-05 | Explosion-proof type heat preservation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120480261.3U CN214469424U (en) | 2021-03-05 | 2021-03-05 | Explosion-proof type heat preservation machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214469424U true CN214469424U (en) | 2021-10-22 |
Family
ID=78153139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120480261.3U Active CN214469424U (en) | 2021-03-05 | 2021-03-05 | Explosion-proof type heat preservation machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214469424U (en) |
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2021
- 2021-03-05 CN CN202120480261.3U patent/CN214469424U/en active Active
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