CN102563938A - Mechanical type frequency conversion refrigerator and refrigerating circuit for mechanical type refrigerator - Google Patents
Mechanical type frequency conversion refrigerator and refrigerating circuit for mechanical type refrigerator Download PDFInfo
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- CN102563938A CN102563938A CN2010106043680A CN201010604368A CN102563938A CN 102563938 A CN102563938 A CN 102563938A CN 2010106043680 A CN2010106043680 A CN 2010106043680A CN 201010604368 A CN201010604368 A CN 201010604368A CN 102563938 A CN102563938 A CN 102563938A
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Abstract
The invention provides a mechanical type frequency conversion refrigerator and a refrigerating circuit for a mechanical type refrigerator. The refrigerating circuit for the mechanical type refrigerator comprises an evaporator, a condenser, a one-way valve and an electromagnetic valve which are connected together, and also comprises a self-regulating frequency conversion compressor, wherein the self-regulating frequency conversion compressor comprises a compressor main body and a frequency conversion control device, the frequency conversion control device is used for controlling the compressor main body to operate according to a current and pressure of the compressor main body; an inlet of the compressor main body is connected with the evaporator, and an outlet of the compressor main body is connected with the condenser through the one-way valve. Due to the adoption of the self-regulating frequency conversion compressor, when the pressure of the outlet of the compressor main body is larger, the compressor main body is controlled through the self-regulating frequency conversion compressor to be in a large-torque operation state, thus the operation frequency of the compressor is automatically regulated by the compressor main body when the outside environment changes, for example, more hot foods are placed or a door of the refrigerator is opened frequently, thus a frequency conversion compressor of the mechanical type energy-saving frequency is applied.
Description
Technical field
The present invention relates to the refrigerator technical field, relate in particular to a kind of mechanical type refrigerator with refrigerating circuit and mechanical type frequency conversion refrigerator.
Background technology
At present, the normally used refrigerator of people is divided into electric-controlled type refrigerator and mechanical type refrigerator, and the electric-controlled type refrigerator is controlled the operation of refrigerator automatically through the automatically controlled plate in the refrigerator, and the mechanical type refrigerator is through the start and stop of compressor in the mechanical temperature controller control refrigerator.Mechanical type refrigerator of the prior art generally includes constant speed compressor, evaporimeter, capillary, device for drying and filtering and condenser.The import of constant speed compressor is connected with evaporimeter, and the outlet of constant speed compressor is connected with condenser, is provided with capillary and device for drying and filtering between evaporimeter and the condenser.For when the compressor of mechanical type refrigerator cuts out; Make high-pressure refrigerant can be kept in the condenser; Condenser is played the pressurize effect of saving energy, and mechanical type refrigerator of the prior art is provided with check valve usually between constant speed compressor and condenser, and between condenser and capillary, is provided with and moving, the electromagnetic valve closed of compressor unlatching synchronously; Thereby when compressor cuts out, the high pressure refrigerant is retained in the condenser through check valve and magnetic valve.Wherein, When constant speed compressor restarts; For prevent because of between exhaust outlet of compressor and the air entry the less constant speed compressor that causes of moment of torsion of the excessive constant speed compressor of pressure differential can't normally start; Mechanical type refrigerator of the prior art is provided with the pressure release capillary usually or a magnetic valve with the compressor asynchronous switch is set in addition between the outlet of the outlet of constant speed compressor and magnetic valve, thus make constant speed compressor can be when shutting down releasing pressure automatically.By on can know that mechanical type refrigerator structure of the prior art is complicated, cost is higher.
Summary of the invention
The present invention provides a kind of mechanical type refrigerator with refrigerating circuit and mechanical type frequency conversion refrigerator; In order to solve mechanical type refrigerator structure complicacy in the prior art; The defective that cost is higher realizes simplifying the structure of mechanical type refrigerator through the mechanical type refrigerator with refrigerating circuit, and reduces the cost of mechanical type refrigerator.
The present invention provides a kind of mechanical type refrigerator to use refrigerating circuit; Comprise the evaporimeter, condenser, check valve and the magnetic valve that link together; Also comprise: self-regulation frequency-changeable compressor, said self-regulation frequency-changeable compressor comprise compressor main body and are used for according to the electric current of said compressor main body and the frequency-converting control device of pressure control compressor main body running; The import of said compressor main body is connected with said evaporimeter, and the outlet of said compressor main body is connected with said condenser through said check valve.
Mechanical type refrigerator provided by the invention is used refrigerating circuit; Through adopting the self-regulation frequency-changeable compressor; Because the frequency-converting control device in the self-regulation frequency-changeable compressor can be according to the electric current and the running of pressure control compressor main body of compressor main body; When the outlet pressure of compressor main body is big; Be in the operating condition of high pulling torque through frequency-converting control device control compressor main body, just can realize still having enough moments of torsion normally to start when compressor main body can pressure reduction be excessive between exhaust outlet of compressor and air entry, thereby need not to increase pressure release capillary or pressure release magnetic valve; Realization has been simplified the structure of mechanical type refrigerator through the mechanical type refrigerator with refrigerating circuit, and has reduced the cost of mechanical type pressurize energy-saving refrigerator.
Aforesaid mechanical type refrigerator is used refrigerating circuit; Said frequency-converting control device comprises arrangements for speed regulation, pressure-detecting device and the current sensing means that is used to regulate said compressor main body running speed; Said pressure-detecting device and said current sensing means are electrically connected with said arrangements for speed regulation; Said arrangements for speed regulation are electrically connected with said compressor main body; The detection head of said pressure-detecting device is positioned at the exit of said compressor main body, and the detection head of said current sensing means is electrically connected with the circuit of said compressor main body.
Aforesaid mechanical type refrigerator is used refrigerating circuit, and for the structure of more effective simplification mechanical type refrigerator, said check valve and said magnetic valve are solid-located, and said check valve and said magnetic valve form overall structure.
The present invention provides a kind of mechanical type frequency conversion refrigerator; Comprise that refrigerator main body and the mechanical type refrigerator that is arranged in said refrigerator main body use refrigerating circuit; Said mechanical type refrigerator is used refrigerating circuit; Comprise the evaporimeter, condenser, check valve and the magnetic valve that link together; Said mechanical type refrigerator also comprises with refrigerating circuit: self-regulation frequency-changeable compressor, said self-regulation frequency-changeable compressor comprise compressor main body and are used for according to the electric current of said compressor main body and the frequency-converting control device of pressure control compressor main body running; The import of said compressor main body is connected with said evaporimeter, and the outlet of said compressor main body is connected with said condenser through said check valve.
Mechanical type frequency conversion refrigerator provided by the invention; Through adopting the self-regulation frequency-changeable compressor; Because the frequency-converting control device in the self-regulation frequency-changeable compressor can be according to the electric current and the running of pressure control compressor main body of compressor main body, when the outlet pressure of compressor main body is big, control the operating condition that compressor main body is in high pulling torque through frequency-converting control device; Just can realize that pressure that compressor main body can be in condenser still can have enough moments of torsion normally to start when excessive; Thereby need not to increase the pressure release capillary, realize having simplified the structure of mechanical type refrigerator with refrigerating circuit, and reduced the cost of mechanical type refrigerator through the mechanical type refrigerator.
Aforesaid mechanical type frequency conversion refrigerator; Said frequency-converting control device comprises arrangements for speed regulation, pressure-detecting device and the current sensing means that is used to regulate said compressor main body running speed; Said pressure-detecting device and said current sensing means are electrically connected with said arrangements for speed regulation; Said arrangements for speed regulation are electrically connected with said compressor main body; The detection head of said pressure-detecting device is positioned at the exit of said compressor main body, and the detection head of said current sensing means is electrically connected with the circuit of said compressor main body.
Aforesaid mechanical type frequency conversion refrigerator, for the structure of more effective simplification mechanical type refrigerator, said check valve and said magnetic valve are solid-located, and said check valve and said magnetic valve form overall structure.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of mechanical type refrigerator of the present invention with refrigerating circuit embodiment.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Fig. 1 is the structural representation of mechanical type refrigerator of the present invention with refrigerating circuit embodiment.As shown in Figure 1; Present embodiment mechanical type refrigerator is used refrigerating circuit; Comprise the evaporimeter 1, condenser 2, check valve 3 and the magnetic valve 4 that link together; Also comprise: self-regulation frequency-changeable compressor 7, self-regulation frequency-changeable compressor 7 comprise compressor main body 71 and are used for according to the electric current of compressor main body 71 and the frequency-converting control device 72 of pressure control compressor main body running; The import of compressor main body 71 is connected with evaporimeter 1, and the outlet of compressor main body 71 is connected with condenser 2 through check valve 3.
Particularly; Present embodiment mechanical type refrigerator comprises evaporimeter 1, condenser 2, check valve 3 and magnetic valve 4 with refrigerating circuit; Wherein, Between evaporimeter 1, condenser 2, can also be provided with devices such as capillary 5 and device for drying and filtering 6, present embodiment mechanical type refrigerator adopts the self-regulation frequency-changeable compressor 7 can regulate self rotating speed automatically with refrigerating circuit, and this self-regulation frequency-changeable compressor 7 comprises compressor main body 71 and frequency-converting control device 72; This frequency-converting control device 72 can be according to the running of the electric current of compressor main body 71 and pressure control compressor main body 71; Thereby when after the compressor main body in the present embodiment 71 is stopping, restarting,, make the hypertonia in the exit of compressor main body 71 because condenser 2 is in packing state through check valve 3 and magnetic valve 4; Thereby can be through the running status of frequency-converting control device 72 adjustment compressor main bodies 71; Make the enough big moment of torsion of compressor main body 71 output overcoming the high pressure in compressor main body 71 exits, thereby compressor main body 71 can be started stably, realization present embodiment mechanical type refrigerator need not to adopt the pressure release capillary with refrigerating circuit; Effective simplification the structure of present embodiment mechanical type refrigerator with refrigerating circuit, reduced the cost of present embodiment mechanical type refrigerator with refrigerating circuit.
Further; Control through 72 pairs of compressor main bodies 71 of frequency-converting control device for more effective; Make compressor main body 71 start and stop more stably; Frequency-converting control device 72 in the present embodiment can comprise arrangements for speed regulation, pressure-detecting device and the current sensing means that is used to regulate compressor main body 71 running speeds, and pressure-detecting device and current sensing means are electrically connected with arrangements for speed regulation, and arrangements for speed regulation are electrically connected with compressor main body 71; The detection head of pressure-detecting device is positioned at the exit of compressor main body 71, and the detection head of current sensing means is electrically connected with the circuit of compressor main body 71.Concrete; Frequency-converting control device 72 in the present embodiment can detect the current value and the force value of compressor main body 71 accurately through pressure-detecting device and current sensing means, makes arrangements for speed regulation can adjust the operating condition of compressor main body 71 according to the signal of pressure-detecting device and current sensing means feedback accurately.
Further, for the structure of more effective simplification mechanical type refrigerator, the check valve 3 in the present embodiment is solid-located with magnetic valve 4, and check valve 3 forms overall structure with magnetic valve 4.Concrete; Check valve 3 in the present embodiment can fit together with magnetic valve 4 and form an integral valve door gear; Thereby can effective simplification present embodiment mechanical type refrigerator with the structure of refrigerating circuit; And the valving because check valve 3 and magnetic valve 4 form a whole can be connected check valve 3 more easily with magnetic valve 4 miscellaneous parts.
Present embodiment mechanical type refrigerator is used refrigerating circuit; Through adopting the self-regulation frequency-changeable compressor; Because the frequency-converting control device in the self-regulation frequency-changeable compressor can be according to the electric current and the running of pressure control compressor main body of compressor main body, when the outlet pressure of compressor main body is big, control the operating condition that compressor main body is in high pulling torque through frequency-converting control device; Just can realize that pressure that compressor main body can be in condenser still can have enough moments of torsion normally to start when excessive; Thereby need not to increase the pressure release capillary, realize having simplified the structure of mechanical type refrigerator with refrigerating circuit, and reduced the cost of mechanical type refrigerator through the mechanical type refrigerator.
The present invention also provides a kind of mechanical type frequency conversion refrigerator; Comprise that refrigerator main body and the mechanical type refrigerator that is arranged in refrigerator main body use refrigerating circuit; The mechanical type refrigerator is used refrigerating circuit; Comprise the evaporimeter, condenser, check valve and the magnetic valve that link together, the mechanical type refrigerator also comprises with refrigerating circuit: self-regulation frequency-changeable compressor, self-regulation frequency-changeable compressor comprise compressor main body and are used for according to the electric current of compressor main body and the frequency-converting control device of pressure control compressor main body running; The import of compressor main body is connected with evaporimeter, and the outlet of compressor main body is connected with condenser through check valve.Further; Frequency-converting control device in the present embodiment comprises arrangements for speed regulation, pressure-detecting device and the current sensing means that is used to regulate the compressor main body running speed; Pressure-detecting device and current sensing means are electrically connected with arrangements for speed regulation; Arrangements for speed regulation are electrically connected with compressor main body, and the detection head of pressure-detecting device is positioned at the exit of compressor main body, and the detection head of current sensing means is electrically connected with the circuit of compressor main body.Further, for the structure of more effective simplification mechanical type refrigerator, check valve and magnetic valve are solid-located, and check valve and magnetic valve form overall structure.
Particularly; Mechanical type refrigerator in the present embodiment can adopt mechanical type refrigerator of the present invention to use refrigerating circuit with the mechanical type refrigerator among the refrigerating circuit embodiment with refrigerating circuit; Its concrete structure can repeat no more at this referring to mechanical type refrigerator of the present invention with the record in refrigerating circuit embodiment and the accompanying drawing 1.
Present embodiment mechanical type frequency conversion refrigerator; Through adopting the self-regulation frequency-changeable compressor; Because the frequency-converting control device in the self-regulation frequency-changeable compressor can be according to the electric current and the running of pressure control compressor main body of compressor main body, when the outlet pressure of compressor main body is big, control the operating condition that compressor main body is in high pulling torque through frequency-converting control device; Just can realize that pressure that compressor main body can be in condenser still can have enough moments of torsion normally to start when excessive; Thereby need not to increase the pressure release capillary, realize having simplified the structure of mechanical type refrigerator with refrigerating circuit, and reduced the cost of mechanical type refrigerator through the mechanical type refrigerator.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (6)
1. a mechanical type refrigerator is used refrigerating circuit; Comprise the evaporimeter, condenser, check valve and the magnetic valve that link together; It is characterized in that; Also comprise: self-regulation frequency-changeable compressor, said self-regulation frequency-changeable compressor comprise compressor main body and are used for according to the electric current of said compressor main body and the frequency-converting control device of pressure control compressor main body running; The import of said compressor main body is connected with said evaporimeter, and the outlet of said compressor main body is connected with said condenser through said check valve.
2. mechanical type refrigerator according to claim 1 is used refrigerating circuit; It is characterized in that; Said frequency-converting control device comprises arrangements for speed regulation, pressure-detecting device and the current sensing means that is used to regulate said compressor main body running speed; Said pressure-detecting device and said current sensing means are electrically connected with said arrangements for speed regulation; Said arrangements for speed regulation are electrically connected with said compressor main body, and the detection head of said pressure-detecting device is positioned at the exit of said compressor main body, and the detection head of said current sensing means is electrically connected with the circuit of said compressor main body.
3. mechanical type refrigerator according to claim 1 and 2 is used refrigerating circuit, it is characterized in that, said check valve and said magnetic valve are solid-located, and said check valve and said magnetic valve form overall structure.
4. mechanical type frequency conversion refrigerator; Comprise that refrigerator main body and the mechanical type refrigerator that is arranged in said refrigerator main body use refrigerating circuit; Said mechanical type frequency conversion refrigerator is used refrigerating circuit; Comprise the evaporimeter, condenser, check valve and the magnetic valve that link together; It is characterized in that said mechanical type frequency conversion refrigerator also comprises with refrigerating circuit: self-regulation frequency-changeable compressor, said self-regulation frequency-changeable compressor comprise compressor main body and are used for according to the electric current of said compressor main body and the frequency-converting control device of pressure control compressor main body running; The import of said compressor main body is connected with said evaporimeter, and the outlet of said compressor main body is connected with said condenser through said check valve.
5. mechanical type frequency conversion refrigerator according to claim 4; It is characterized in that; Said frequency-converting control device comprises arrangements for speed regulation, pressure-detecting device and the current sensing means that is used to regulate said compressor main body running speed; Said pressure-detecting device and said current sensing means are electrically connected with said arrangements for speed regulation; Said arrangements for speed regulation are electrically connected with said compressor main body, and the detection head of said pressure-detecting device is positioned at the exit of said compressor main body, and the detection head of said current sensing means is electrically connected with the circuit of said compressor main body.
6. according to claim 4 or 5 described mechanical type frequency conversion refrigerators, it is characterized in that said check valve and said magnetic valve are solid-located, said check valve and said magnetic valve form overall structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106043680A CN102563938A (en) | 2010-12-24 | 2010-12-24 | Mechanical type frequency conversion refrigerator and refrigerating circuit for mechanical type refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106043680A CN102563938A (en) | 2010-12-24 | 2010-12-24 | Mechanical type frequency conversion refrigerator and refrigerating circuit for mechanical type refrigerator |
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| Publication Number | Publication Date |
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| CN102563938A true CN102563938A (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010106043680A Pending CN102563938A (en) | 2010-12-24 | 2010-12-24 | Mechanical type frequency conversion refrigerator and refrigerating circuit for mechanical type refrigerator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110770515A (en) * | 2017-06-30 | 2020-02-07 | 三菱电机株式会社 | Refrigeration cycle device and drive device |
| CN115751590A (en) * | 2022-11-10 | 2023-03-07 | 宁波奥克斯电气股份有限公司 | Compressor exhaust pressure control method and device, air conditioner and storage medium |
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| CN201983509U (en) * | 2010-12-24 | 2011-09-21 | 海尔集团公司 | Refrigerating circuit for mechanical refrigerator and mechanical frequency conversion refrigerator |
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| CN1043195A (en) * | 1988-08-12 | 1990-06-20 | 巴西压缩机企业有限公司 | The butterfly gate that is used for refrigeration system or air-conditioning system |
| CN2112123U (en) * | 1991-12-18 | 1992-08-05 | 陈林建 | Normal freezing circulating apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110770515A (en) * | 2017-06-30 | 2020-02-07 | 三菱电机株式会社 | Refrigeration cycle device and drive device |
| CN110770515B (en) * | 2017-06-30 | 2021-05-14 | 三菱电机株式会社 | Refrigeration cycle device and drive device |
| CN115751590A (en) * | 2022-11-10 | 2023-03-07 | 宁波奥克斯电气股份有限公司 | Compressor exhaust pressure control method and device, air conditioner and storage medium |
| CN115751590B (en) * | 2022-11-10 | 2024-06-11 | 宁波奥克斯电气股份有限公司 | Compressor discharge pressure control method and device, air conditioner and storage medium |
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Application publication date: 20120711 |