CN214406543U - Hot gas supplement temperature control device of refrigeration compressor - Google Patents
Hot gas supplement temperature control device of refrigeration compressor Download PDFInfo
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- CN214406543U CN214406543U CN202120526289.6U CN202120526289U CN214406543U CN 214406543 U CN214406543 U CN 214406543U CN 202120526289 U CN202120526289 U CN 202120526289U CN 214406543 U CN214406543 U CN 214406543U
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Abstract
The utility model discloses a refrigeration compressor steam supplyes temperature regulating device, including the compressor body, top one side of compressor body is connected with the blast pipe, the one end of blast pipe is connected with temperature sensor, temperature sensor's one end is connected with the gas-supply pipe, the one end of gas-supply pipe is connected with the condenser, the one end of condenser is connected with vapour and liquid separator. The utility model discloses an use the exhaust pipe of solenoid valve in with refrigerating system and carry out direct linking with the evaporimeter pipeline, the solenoid valve uses time delay relay to control, and the steam through suitable on-off time proportional control compressor is discharged, and is balanced near target refrigeration temperature with refrigeration temperature as far as, and the steam through replenishing compressor self production in past system comes balanced refrigeration temperature, prevents that the compressor from frequently opening and stopping, the utility model discloses the scale that hardware is with low costs, the operation is simple and easy, maintain convenient advantage is fit for the accurate accuse temperature trade of non-uses.
Description
Technical Field
The utility model relates to a control by temperature change equipment technical field, concretely relates to refrigeration compressor steam supplyes temperature regulating device.
Background
At present, with the wide application of low-temperature refrigeration equipment, the high reliability of the equipment in operation is important, the air suction temperature of a compressor directly influences the operation reliability of the whole low-temperature refrigeration system, the problems of the wet stroke operation of the compressor, difficult oil return of system lubricating oil and the like can be caused by the excessively low air suction temperature of the compressor, and the problems of the increase of the power consumption of the compressor, the reduction of the refrigerating capacity, the rise of the exhaust temperature, the carbonization of the lubricating oil and the like can be caused by the excessively high air suction temperature of the compressor. Therefore, the effective control on the suction temperature of the compressor in the low-temperature refrigeration system has important practical significance, the refrigeration system mostly takes the refrigeration temperature as a main calibration parameter, the compressor can be stopped when the refrigeration temperature reaches, the compressor can be started again when the temperature exceeds a return difference set value, the compressor is frequently started and stopped, the frequent start and stop of the compressor not only can cause the fluctuation of the refrigeration temperature, but also can influence the service life of the compressor, and the problem of frequent start and stop of the compressor in the non-variable-frequency refrigeration system is solved.
At present, a better solution is to use a variable frequency compressor, but the hardware cost is high, and the use cost of the non-precise temperature control industry is too high.
Therefore, it is necessary to invent a hot gas supplement temperature control device of a refrigeration compressor to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a refrigeration compressor steam supplyes temperature regulating device, carry out direct link through exhaust pipe and the evaporimeter pipeline that uses the solenoid valve in with refrigerating system, the solenoid valve uses time delay relay to control, and steam through suitable on-off time proportional control compressor is discharged, and is balanced near target refrigeration temperature with refrigeration temperature as far as, and the steam through replenishing compressor self production in the past system comes balanced refrigeration temperature, prevents that the compressor from frequently opening and stopping, the utility model discloses the hardware is with low costs, the operation is simple and easy, maintain convenient advantage, is fit for the scale of the accurate accuse temperature trade and uses to solve the above-mentioned weak point in the technique.
In order to achieve the above object, the present invention provides the following technical solutions: a hot gas supplement temperature control device of a refrigeration compressor comprises a compressor body, wherein one side of the top of the compressor body is connected with an exhaust pipe, one end of the exhaust pipe, which is far away from the compressor body, is connected with a temperature sensor, one end of the temperature sensor, which is far away from the exhaust pipe, is connected with a gas delivery pipe, one end of the gas pipe is connected with a condenser, one end of the condenser, which is far away from the gas pipe, is connected with a gas-liquid separator, one end of the gas-liquid separator, which is far away from the condenser, is connected with a throttle pipe, one end of the throttle pipe, which is far away from the gas-liquid separator, is connected with an electromagnetic valve, one end of the electromagnetic valve far away from the throttle pipe is connected with an evaporator pipe, one end of the evaporator pipe far away from the electromagnetic valve is connected with an evaporator body, one side sealing connection of evaporimeter body has the connecting pipe, the one end that the evaporimeter body was kept away from to the connecting pipe is connected with bottom one side of compressor body.
Preferably, a low-temperature medium output pipe is arranged between the electromagnetic valve and the evaporator body, and one end of the low-temperature medium output pipe is connected with the evaporator pipe.
Preferably, the one end that the evaporimeter pipe was kept away from to the evaporimeter body is connected with the circulating pump through the air duct, the one end that the evaporimeter body was kept away from to the circulating pump is connected with the heater through the air duct, the one end that the circulating pump was kept away from to the heater is connected with high temperature medium output tube through the air duct.
Preferably, the connecting end of the temperature sensor is provided with a single chip microcomputer, the input end of the single chip microcomputer is connected with an A/D converter, the output end of the single chip microcomputer is connected with a D/A converter, and the connecting end of the D/A converter is connected with the electromagnetic valve.
Preferably, the connecting end of the electromagnetic valve is provided with a time delay relay, and the time delay relay is electrically connected with the single chip microcomputer through a wire.
In the technical scheme, the utility model provides a technological effect and advantage:
carry out the direct link through exhaust pipe and the evaporimeter pipeline that uses the solenoid valve in with refrigerating system, the solenoid valve uses time delay relay to control, and the steam through suitable on-off time proportional control compressor is discharged, and is balanced near target refrigeration temperature with refrigeration temperature as far as, and the steam that produces through replenishing compressor self in the past system comes balanced refrigeration temperature, prevents that the compressor from frequently opening and stopping, the utility model discloses the hardware is with low costs, the operation is simple and easy, maintain convenient advantage, is fit for the scale of non-accurate accuse temperature trade and uses.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a system flow control framework diagram of the present invention.
Description of reference numerals:
1. a compressor body; 2. an exhaust pipe; 3. a temperature sensor; 4. a gas delivery pipe; 5. a condenser; 6. a gas-liquid separator; 7. a throttle pipe; 8. an electromagnetic valve; 9. an evaporator tube; 10. an evaporator body; 11. a connecting pipe; 12. a circulation pump; 13. a heater; 14. a high-temperature medium output pipe; 15. a single chip microcomputer; 16. a time delay relay; 17. and a low-temperature medium output pipe.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a refrigeration compressor hot gas supplement temperature control device as shown in figures 1-2, which comprises a compressor body 1, wherein one side of the top of the compressor body 1 is connected with an exhaust pipe 2, one end of the exhaust pipe 2, which is far away from the compressor body 1, is connected with a temperature sensor 3, the model of the temperature sensor 3 is QAC2012, one end of the temperature sensor 3, which is far away from the exhaust pipe 2, is connected with a gas pipe 4, one end of the gas pipe 4 is connected with a condenser 5, one end of the condenser 5, which is far away from the gas pipe 4, is connected with a gas-liquid separator 6, one end of the gas-liquid separator 6, which is far away from the condenser 5, is connected with a throttle pipe 7, one end of the throttle pipe 7, which is far away from the throttle pipe 6, is connected with an electromagnetic valve 8, one end of the electromagnetic valve 8, which is far away from the electromagnetic valve 8, is connected with an evaporator body 10, one side of the evaporator body 10 is hermetically connected with a connecting pipe 11, and one end of the connecting pipe 11 far away from the evaporator body 10 is connected with one side of the bottom of the compressor body 1.
Further, in the above technical solution, a low temperature medium output pipe 17 is arranged between the electromagnetic valve 8 and the evaporator body 10, one end of the low temperature medium output pipe 17 is connected with the evaporator pipe 9, and the temperature of the compressor body 1 is controlled and reduced by the low temperature medium output pipe 17.
Further, in the above technical scheme, the one end that evaporimeter body 10 kept away from evaporimeter pipe 9 is connected with circulating pump 12 through the air duct, the one end that evaporimeter body 10 was kept away from to circulating pump 12 is connected with heater 13 through the air duct, the one end that circulating pump 12 was kept away from to heater 13 is connected with high temperature medium output tube 14 through the air duct, through circulating pump 12, heater 13 and high temperature medium output tube 14's effect to can effectually be convenient for control the temperature that improves compressor body 1.
Further, in the above technical scheme, a single chip microcomputer 15 is arranged at a connection end of the temperature sensor 3, an input end of the single chip microcomputer 15 is connected with an a/D converter, an output end of the single chip microcomputer 15 is connected with a D/a converter, and a connection end of the D/a converter is connected with the electromagnetic valve 8.
Further, in the above technical scheme, the connection end of the electromagnetic valve 8 is provided with the delay relay 16, the delay relay 16 is electrically connected with the single chip microcomputer 15 through a wire, and through the action of the delay relay 16, the hot gas discharge of the compressor body 1 can be controlled through a proper on-off time proportion, so that the refrigeration temperature is balanced near the target refrigeration temperature as much as possible.
This practical theory of operation:
referring to the attached drawings 1-2 of the specification, firstly, a temperature sensor 3 detects the temperature of gas discharged from an exhaust pipe 2 by a compressor body 1, then detected information is transmitted to a single chip microcomputer 15, when the detected temperature is too high, the single chip microcomputer 15 controls to open an electromagnetic valve 8, then a part of liquid refrigerant condensed by a condenser 5 is throttled by a throttling pipe 7 to be changed into low-temperature and low-pressure gas-liquid two-phase fluid, and then the gas-liquid two-phase fluid is mixed with refrigerant gas with higher temperature discharged from an evaporator body 10, so that the return gas temperature of the compressor body 1 is reduced, and the exhaust temperature of the compressor body 1 is reduced.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. The utility model provides a refrigeration compressor hot gas supplyes temperature regulating device, includes compressor body (1), its characterized in that: the compressor is characterized in that an exhaust pipe (2) is connected to one side of the top of the compressor body (1), one end, away from the compressor body (1), of the exhaust pipe (2) is connected with a temperature sensor (3), one end, away from the exhaust pipe (2), of the temperature sensor (3) is connected with a gas pipe (4), one end of the gas pipe (4) is connected with a condenser (5), one end, away from the gas pipe (4), of the condenser (5) is connected with a gas-liquid separator (6), one end, away from the condenser (5), of the gas-liquid separator (6) of the gas-liquid separator (7) of the gas-liquid separator (8) of the gas-liquid separator (6) of the gas-liquid separator), one end, away from the throttle pipe (7) of the gas-liquid separator (8) of the gas-liquid separator (9) of the gas-liquid separator (8) of the gas-liquid separator (10) of the gas-liquid separator (1) of the gas-liquid separator (1) of the gas-liquid separator (10) of the gas-liquid separator (1) of the gas-liquid separator (10) of the gas-liquid separator (1) of the gas-liquid separator (1) of the gas-liquid separator (10) of the gas-liquid separator of, one side sealing connection of evaporimeter body (10) has connecting pipe (11), the one end that evaporimeter body (10) were kept away from in connecting pipe (11) is connected with compressor body's (1) bottom one side.
2. The temperature control device for hot gas supplement of a refrigeration compressor according to claim 1, characterized in that: a low-temperature medium output pipe (17) is arranged between the electromagnetic valve (8) and the evaporator body (10), and one end of the low-temperature medium output pipe (17) is connected with the evaporator pipe (9).
3. The temperature control device for hot gas supplement of a refrigeration compressor according to claim 1, characterized in that: the evaporator is characterized in that one end, far away from the evaporator pipe (9), of the evaporator body (10) is connected with a circulating pump (12) through an air duct, one end, far away from the evaporator body (10), of the circulating pump (12) is connected with a heater (13) through an air duct, and one end, far away from the circulating pump (12), of the heater (13) is connected with a high-temperature medium output pipe (14) through an air duct.
4. The temperature control device for hot gas supplement of a refrigeration compressor according to claim 1, characterized in that: the temperature sensor (3) is connected with the end of the single-chip microcomputer (15), the input end of the single-chip microcomputer (15) is connected with an A/D converter, the output end of the single-chip microcomputer (15) is connected with a D/A converter, and the connecting end of the D/A converter is connected with the electromagnetic valve (8).
5. The temperature control device for hot gas supplement of a refrigeration compressor according to claim 4, characterized in that: the electromagnetic valve is characterized in that a time delay relay (16) is arranged at the connecting end of the electromagnetic valve (8), and the time delay relay (16) is electrically connected with the single chip microcomputer (15) through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120526289.6U CN214406543U (en) | 2021-03-14 | 2021-03-14 | Hot gas supplement temperature control device of refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120526289.6U CN214406543U (en) | 2021-03-14 | 2021-03-14 | Hot gas supplement temperature control device of refrigeration compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214406543U true CN214406543U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120526289.6U Active CN214406543U (en) | 2021-03-14 | 2021-03-14 | Hot gas supplement temperature control device of refrigeration compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214406543U (en) |
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2021
- 2021-03-14 CN CN202120526289.6U patent/CN214406543U/en active Active
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