CN204027053U - Refrigeration plant - Google Patents
Refrigeration plant Download PDFInfo
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- CN204027053U CN204027053U CN201420356130.4U CN201420356130U CN204027053U CN 204027053 U CN204027053 U CN 204027053U CN 201420356130 U CN201420356130 U CN 201420356130U CN 204027053 U CN204027053 U CN 204027053U
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- Prior art keywords
- capillary
- driven valve
- motor
- condenser
- evaporimeter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Devices That Are Associated With Refrigeration Equipment (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a kind of refrigeration plant, comprise: constant volume compressor, condenser, evaporimeter, throttling arrangement, motor-driven valve and mechanical temperature controller, condenser and evaporimeter are connected with constant volume compressor respectively, throttling arrangement is connected between condenser and evaporimeter, throttling arrangement comprises two capillaries be arranged in parallel, the refrigerant circulation of two capillaries is different, motor-driven valve is connected with two capillaries with condenser respectively, mechanical temperature controller is connected with motor-driven valve the conducting state switching motor-driven valve, condenser and evaporimeter is communicated with to make one of two capillaries.According to refrigeration plant of the present utility model, the different capillary switch operating of two refrigerant circulatioies is controlled by adopting a mechanical temperature controller and motor-driven valve, thus meet the refrigeration capacity requirement of refrigeration plant under different operating mode pointedly, reach fast-refrigerating and the energy-conservation object taken into account mutually, and mechanical temperature controller can control automatically, control mode is simple, and failure rate is low, production cost is low.
Description
Technical field
The utility model relates to art of refrigeration units, especially relates to a kind of refrigeration plant.
Background technology
Point out in correlation technique, for the refrigeration plant with multiple capillary, traditional control system is mainly computerized control system, this kind of control system mainly comprises display board, master control borad, magnetic valve, wire harness, pressure or temperature sensor and some peripheral equipments, in control procedure, master control borad is by the pressure in pressure or temperature sensor perception case courage or temperature, and then send pulse signal by master control borad to magnetic valve, the on off operating mode of Controlling solenoid valve is to regulate the duty of multiple capillary, but such control system not only cost is high, and produce, assembly technology is loaded down with trivial details.In addition, the fault rate of this kind of control system is higher.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, the purpose of this utility model is to propose a kind of refrigeration plant, and the temperature control mode of described refrigeration plant is simple and convenient, and cost is low, failure rate is low.
According to refrigeration plant of the present utility model, comprising: constant volume compressor; Condenser and evaporimeter, described condenser and described evaporimeter are connected with described constant volume compressor respectively; Throttling arrangement, described throttling arrangement is connected between described condenser and described evaporimeter, and described throttling arrangement comprises two capillaries be arranged in parallel, and the refrigerant circulation of described two capillaries is different; Motor-driven valve, described motor-driven valve is connected with described two capillaries with described condenser respectively; And mechanical temperature controller, described mechanical temperature controller is connected with described motor-driven valve the conducting state switching described motor-driven valve, is communicated with described condenser and described evaporimeter to make one of described two capillaries.
According to refrigeration plant of the present utility model, the different capillary switch operating of two refrigerant circulatioies is controlled by adopting a mechanical temperature controller and motor-driven valve, thus meet the refrigeration capacity requirement of refrigeration plant under different operating mode pointedly, reach fast-refrigerating and the energy-conservation object taken into account mutually, and mechanical temperature controller can control automatically, control mode is simple, and failure rate is low, production cost is low.
Further, described motor-driven valve has import, the first outlet and the second outlet, the described import of described motor-driven valve is arranged to optionally to export one in exporting with described second with described first and is communicated with, the described import of described motor-driven valve is connected with described condenser, described two capillaries comprise the first capillary and the second capillary, described first capillary exports with described first of described motor-driven valve respectively and is connected with described evaporimeter, and described second capillary exports with described second of described motor-driven valve respectively and is connected with described evaporimeter.
Particularly, filter is provided with between described condenser and described motor-driven valve.
Further, the refrigerant circulation of described first capillary is greater than the refrigerant circulation of described second capillary.
Alternatively, the length of described first capillary is equal with the length of described second capillary, and the internal diameter of described first capillary is greater than the internal diameter of described second capillary.
Or alternatively, the internal diameter of described first capillary is equal with the internal diameter of described second capillary, and the length of described first capillary is less than the length of described second capillary.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the refrigeration plant according to the utility model embodiment;
Fig. 2 is the schematic diagram of the motor-driven valve shown in Fig. 1 and mechanical temperature controller;
Fig. 3 is the schematic diagram of the mechanical temperature controller shown in Fig. 2.
Reference numeral:
100: refrigeration plant;
1: constant volume compressor; 2: condenser; 3: filter; 4: evaporimeter;
5: throttling arrangement; 51: the first capillaries; 52: the second capillaries;
6: motor-driven valve; 61: import; 62: the first outlets; 63: the second outlets;
7: mechanical temperature controller; 71: manual adjustment bar; 72: temperature control bar;
731: the first push rods; 732: the second push rods; 733: the three push rods.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Below with reference to Fig. 1-Fig. 3, the refrigeration plant 100 according to the utility model embodiment is described.
As shown in Figure 1, according to the refrigeration plant 100 of the utility model embodiment, comprise: case courage (scheming not shown), constant volume compressor 1, condenser 2, evaporimeter 4, throttling arrangement 5, motor-driven valve 6 and mechanical temperature controller 7, wherein constant volume compressor 1, condenser 2, evaporimeter 4, throttling arrangement 5, motor-driven valve 6 and mechanical temperature controller 7 are communicated with to form refrigerating circuit for the temperature in regulating box courage successively.Wherein, refrigeration plant 100 can be refrigerator or refrigerator-freezer etc.
With reference to Fig. 1, condenser 2 is connected with constant volume compressor 1 respectively with evaporimeter 4, throttling arrangement 5 is connected between condenser 2 and evaporimeter 4, throttling arrangement 5 comprises two capillaries be arranged in parallel, the refrigerant circulation of two capillaries is different, motor-driven valve 6 is connected with two capillaries with condenser 2 respectively, can be provided with filter 3 between condenser 2 and motor-driven valve 6.Particularly, evaporimeter 4 is located in case courage, the outlet of evaporimeter 4 is connected with the import of constant volume compressor 1, the outlet of constant volume compressor 1 is connected with the import of condenser 2, and the outlet of condenser 2 is connected with the import of filter 3, and the outlet of filter 3 is connected with the import 61 of motor-driven valve 6, motor-driven valve 6 has at least two outlets, wherein two outlets are corresponding connected with two capillaries respectively, and two capillary parallelings are arranged, and the outlet of two capillaries is all communicated to the import of evaporimeter 4.Thus, refrigerant can flow through in turn evaporimeter 4, constant volume compressor 1, condenser 2, filter 3, motor-driven valve 6 and two capillaries one of them, thus reach the effect of refrigeration.
Further, temperature in case courage can be divided into three continuous print temperature ranges, be followed successively by the first temperature range from small to large, second temperature range and the 3rd temperature range, correspondingly, refrigeration plant 100 comprises the different capillary of two refrigerant circulatioies, second temperature range and the 3rd temperature range be a corresponding capillary respectively, and along with the temperature value of temperature range increase corresponding to the refrigerant circulation of capillary increase gradually, that is, the refrigerant circulation of the capillary corresponding with the second temperature range is less, the refrigerant circulation of the capillary corresponding with the 3rd temperature range is greater than the refrigerant circulation of the capillary corresponding with the second temperature range.Here, it should be noted that, for the refrigerating circuit comprising constant volume compressor 1, " the refrigerant circulation " of capillary depends primarily on the shape of capillary, and such as, when internal diameter one timing of capillary, the length of capillary is longer, refrigerant circulation is less; When length one timing of capillary, the internal diameter of capillary is larger, refrigerant circulation is larger.
With reference to Fig. 1, mechanical temperature controller 7 is electrically connected with constant volume compressor 1 and motor-driven valve 6 respectively, wherein, mechanical temperature controller 7 is connected with constant volume compressor 1, to control unlatching or the closedown of constant volume compressor 1, the conducting state that mechanical temperature controller 7 is connected with motor-driven valve 6 to switch motor-driven valve 6, makes one of two capillaries be communicated with condenser 2 and evaporimeter 4, with the refrigerating state in regulation box courage.Particularly, when the temperature in case courage is in the first temperature range, mechanical temperature controller 7 controls constant volume compressor 1 and closes, refrigeration plant 100 stops refrigeration, when the temperature in refrigeration plant 100 casees courages is in the second temperature range or the 3rd temperature range, mechanical temperature controller 7 controls the motor-driven valve 6 conducting capillary corresponding with temperature range, and the tubule of this correspondence is communicated with between filter 3 and evaporimeter 4, thus can refrigerating state pointedly in regulation box courage.Wherein, " mechanical temperature controller 7 " is well known to those skilled in the art with the configuration and principle of " motor-driven valve 6 ", only briefly introduces hereinafter, no longer describes in detail here.
Thus, when the temperature in case courage is higher, mechanical temperature controller 7 controls the larger capillary of motor-driven valve 6 conducting refrigerant circulation, to obtain higher evaporating temperature and larger refrigerating capacity, make case courage have higher evaporating temperature and larger refrigerating capacity, the temperature in case courage is declined rapidly; When the temperature in case courage is lower, mechanical temperature controller 7 controls the less capillary of motor-driven valve 6 switched conductive refrigerant circulation, makes case courage have lower evaporating temperature and less refrigerating capacity.Thus, temperature in case courage can maintain in a certain scope, thus effectively realize energy-saving effect, that is, refrigeration plant 100 can between large refrigerating capacity and energy saver mode switchover operation as requested, thus while the low energy consumption of guarantee refrigeration plant 100, effectively promote cooling velocity and the refrigerating capacity of refrigeration plant 100.
Like this, by adopting mechanical temperature controller 7 to be connected to control to adjust the temperature in case courage pointedly with motor-driven valve 6, thus simplify temperature control system dramatically, the structure of temperature control system is simple, and cost is low, and assembly process is simple and easy.In addition, the control procedure of temperature control system is simple, and functional reliability is high, failure rate is low.
According to the refrigeration plant 100 of the utility model embodiment, the different capillary switch operating of two refrigerant circulatioies is controlled by adopting a mechanical temperature controller 7 and motor-driven valve 6, thus meet the refrigeration capacity requirement of refrigeration plant 100 under different operating mode pointedly, achieve the variable-flow of refrigeration plant 100, the amount of turning cold is run, reach fast-refrigerating and energy-conservation object, by cooling velocity, refrigerating capacity and energy consumption are taken into account simultaneously, and without the need to arranging hand push button separately, mechanical temperature controller 7 can control automatically, control mode is simple, assembly process is simple and easy, production cost is low, functional reliability is high, failure rate is low.
In an embodiment of the present utility model, see figures.1.and.2, motor-driven valve 6 has import 61, first outlet 62 and the second outlet 63, the import 61 of motor-driven valve 6 is arranged to optionally to export 62 and second one of exporting in 63 with first and is communicated with, the import 61 of motor-driven valve 6 is connected with condenser 2, two capillaries comprise the first capillary 51 and the second capillary 52, first capillary 51 exports 62 with first of motor-driven valve 6 respectively and is connected with evaporimeter 4, second capillary 52 exports 63 with second of motor-driven valve 6 respectively and is connected with evaporimeter 4, alternatively, filter 3 is provided with between condenser 2 and motor-driven valve 6, and the outlet of condenser 2 is connected with the import of filter 3, the outlet of filter 3 is connected with the import 61 of motor-driven valve 6, first outlet 62 of motor-driven valve 6 is connected with the import of the first capillary 51, second outlet 63 of motor-driven valve 6 is connected with the import of the second capillary 52, the outlet of the first capillary 51 is connected with the outlet of the second capillary 52 and is jointly connected to the import of evaporimeter 4.
Further, the refrigerant circulation of the first capillary 51 is greater than the refrigerant circulation of the second capillary 52.Such as in an example of the present utility model, the length of the first capillary 51 is equal with the length of the second capillary 52, and the internal diameter of the first capillary 51 is greater than the internal diameter of the second capillary 52.Such as in another example of the present utility model, the internal diameter of the first capillary 51 equals the internal diameter of the second capillary 52, and the length of the first capillary 51 is less than the length of the second capillary 52.
Alternatively, when motor-driven valve 6 no power, the import 61 of motor-driven valve 6 is often communicated with the second outlet 63, and now, the second capillary 52 is connected in refrigerating circuit, now refrigeration plant 100 has less refrigerating capacity, after motor-driven valve 6 is energized, the import 61 of motor-driven valve 6 is communicated to the first outlet 62, now, first capillary 51 is connected in refrigerating circuit, and now refrigeration plant 100 has larger refrigerating capacity.Wherein, structure and the principle of motor-driven valve 6 are well known to those skilled in the art, no longer describe in detail here.Alternatively, motor-driven valve 6 is magnetic valve.
Mechanical temperature controller 7 temperature be arranged in the case courage of refrigeration plant 100 is less than the first preset temperature T1 time control formulation positive displacement compressor 1 and quits work, and the import 61 that the temperature be arranged in case courage controls motor-driven valve 6 when being more than or equal to the first preset temperature T1 and being less than or equal to the second preset temperature T2 is communicated with the second outlet 63, and the import 61 that the temperature be arranged in case courage controls motor-driven valve 6 when being greater than the second preset temperature T2 is communicated with the first outlet 62, wherein T1 < T2.
With reference to Fig. 2 and Fig. 3, mechanical temperature controller 7 has three push rods and three terminals, wherein the first push rod 731 have H terminals, second push rod 732 have C terminals, 3rd push rod 733 have L terminals, wherein, L terminals are connected with power supply, C terminals are connected with constant volume compressor 1, H terminals are connected with motor-driven valve 6, first push rod 731 have contact A 1 and contact A 2, second push rod 732 has contact B, 3rd push rod 733 has contact C, wherein the second push rod 732 is fixed bar, first push rod 731 is lever construction, manual adjustment bar 71 can fix the fulcrum D of the first push rod 731, temperature control bar 72 can regulate the pivot angle of the first push rod 731, wherein temperature control bar 72 is by steam bellows (scheming not shown) etc. and the temperature sense part for temperature in detection case courage, such as temperature-sensitive capillary (scheming not shown) is connected, thus temperature control bar 72 variations in temperature that can be detected along with temperature sense part by steam bellows and moving, and then temperature control bar 72 can regulate the pivot angle of the first push rod 731, second push rod 732 also regulates pivot angle by temperature control bar 72.Wherein, the structure and fuction of push rod, terminals, manual adjustment bar 71, temperature control bar 72, steam bellows and temperature-sensitive capillary etc. has been well known to those skilled in the art, no longer describes in detail here.
Thus, manual adjustment bar 71 and temperature control bar 72 can being separated and contacting of co-controlling contact A 1 and contact B, thus regulating startup or the closedown of constant volume compressor 1, temperature control bar 72 controls to control being separated and contacting of contact A 2 and contact C, thus regulates energising or the power-off of motor-driven valve 6.In addition, it should be noted that, according to the structural design of mechanical temperature controller 7, temperature control bar 72 promotes the first push rod 731 and the second push rod 732 when moving, and first contact A 1 contacts with contact B, and secondly contact A 2 and contact C contact.
Like this, when the temperature in case courage is greater than the second preset temperature T2 (temperature namely in case courage is in the 3rd temperature range), temperature now in case courage is higher, temperature control bar 72 controls that contact A 1 contacts with contact B, contact A 2 contacts with contact C, namely terminals L is communicated with terminals C and terminals L is also communicated with terminals H, now constant volume compressor 1 is energized, starts working, and motor-driven valve 6 is energized, and the import 61 of motor-driven valve 6 is communicated to the first outlet 62.Thus, the first capillary 51 is connected in refrigerating circuit, thus refrigeration plant 100 has larger refrigerating capacity and higher evaporating temperature, and then reaches the object of refrigeration rapidly.
Further, after the temperature in case courage reduces, and when the temperature in case courage is more than or equal to the first preset temperature T1 and is less than or equal to the second preset temperature T2 (temperature namely in case courage is in the second temperature range), temperature now in case courage is lower, temperature control bar 72 controls contact A 1 and contacts with contact B, and contact A 2 is separated with contact C, namely terminals L is communicated with terminals C, and terminals L and terminals H disconnects, constant volume compressor 1 is energized, start working, motor-driven valve 6 no power, the import 61 of motor-driven valve 6 is communicated to the second outlet 63, second capillary 52 is connected in refrigerating circuit, now refrigeration plant 100 has less refrigerating capacity and lower evaporating temperature, thus reach energy-conservation object.
Again further, when the temperature in case courage continues to reduce, and the temperature in the case courage of refrigeration plant 100 is when being less than the first preset temperature T1 (temperature namely in case courage is in the first temperature range), temperature now in case courage is very low, without the need to refrigeration, temperature control bar 72 contact A 1 is separated with contact B, and namely terminals L and terminals C disconnects, terminals L and terminals H also disconnects, now constant volume compressor 1 no power, quit work.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Claims (6)
1. a refrigeration plant, is characterized in that, comprising:
Constant volume compressor;
Condenser and evaporimeter, described condenser and described evaporimeter are connected with described constant volume compressor respectively;
Throttling arrangement, described throttling arrangement is connected between described condenser and described evaporimeter, and described throttling arrangement comprises two capillaries be arranged in parallel, and the refrigerant circulation of described two capillaries is different;
Motor-driven valve, described motor-driven valve is connected with described two capillaries with described condenser respectively; And
Mechanical temperature controller, described mechanical temperature controller is connected with described motor-driven valve the conducting state switching described motor-driven valve, is communicated with described condenser and described evaporimeter to make one of described two capillaries.
2. refrigeration plant according to claim 1, it is characterized in that, described motor-driven valve has import, first outlet and the second outlet, the described import of described motor-driven valve is arranged to optionally to export one in exporting with described second with described first and is communicated with, the described import of described motor-driven valve is connected with described condenser, described two capillaries comprise the first capillary and the second capillary, described first capillary exports with described first of described motor-driven valve respectively and is connected with described evaporimeter, described second capillary exports with described second of described motor-driven valve respectively and is connected with described evaporimeter.
3. refrigeration plant according to claim 1, is characterized in that, is provided with filter between described condenser and described motor-driven valve.
4. refrigeration plant according to claim 2, is characterized in that, the refrigerant circulation of described first capillary is greater than the refrigerant circulation of described second capillary.
5. refrigeration plant according to claim 4, is characterized in that, the length of described first capillary is equal with the length of described second capillary, and the internal diameter of described first capillary is greater than the internal diameter of described second capillary.
6. refrigeration plant according to claim 4, is characterized in that, the internal diameter of described first capillary is equal with the internal diameter of described second capillary, and the length of described first capillary is less than the length of described second capillary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356130.4U CN204027053U (en) | 2014-06-26 | 2014-06-26 | Refrigeration plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356130.4U CN204027053U (en) | 2014-06-26 | 2014-06-26 | Refrigeration plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204027053U true CN204027053U (en) | 2014-12-17 |
Family
ID=52066899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420356130.4U Expired - Fee Related CN204027053U (en) | 2014-06-26 | 2014-06-26 | Refrigeration plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204027053U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061703A (en) * | 2014-06-26 | 2014-09-24 | 合肥华凌股份有限公司 | Refrigeration equipment |
| CN115355656A (en) * | 2022-07-13 | 2022-11-18 | 青岛海尔生物医疗科技有限公司 | Method and device for controlling refrigerating box and refrigerating box |
-
2014
- 2014-06-26 CN CN201420356130.4U patent/CN204027053U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061703A (en) * | 2014-06-26 | 2014-09-24 | 合肥华凌股份有限公司 | Refrigeration equipment |
| CN115355656A (en) * | 2022-07-13 | 2022-11-18 | 青岛海尔生物医疗科技有限公司 | Method and device for controlling refrigerating box and refrigerating box |
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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 |
Granted publication date: 20141217 Termination date: 20190626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |