CN101074828A - Ice maker for freezing container and its controlling method - Google Patents
Ice maker for freezing container and its controlling method Download PDFInfo
- Publication number
- CN101074828A CN101074828A CNA2006100606712A CN200610060671A CN101074828A CN 101074828 A CN101074828 A CN 101074828A CN A2006100606712 A CNA2006100606712 A CN A2006100606712A CN 200610060671 A CN200610060671 A CN 200610060671A CN 101074828 A CN101074828 A CN 101074828A
- Authority
- CN
- China
- Prior art keywords
- relay
- pressure
- air pressure
- control device
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/047—Pressure equalising devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
This invention relates to a refrigeration device and controlling method for the cold storage container, the controlling circuit consists of the controller, paratactic compressor relay, condensator and steamer relay, the switch of the pressure which is coordinated with the compressor relay and the gas sensor controlling device which can control the switch of the pressure. The gas pressure sensor controlling device includes the controlling device and the gas pressure sensor inside the container. When the gas pressure inside the container decreases to the setting value, the sensor can switch off the pressure, contrariwise it can switch on the pressure. This method includes detecting and controlling the vacuum of the container. This invention only increase less electronic element on the base of the original controlling circuit, and this can control the vacuum value of the container, its configuration is simple, the cost is low, and there is no change on the construction of the container, and there is no effect on the produce of the container and truck, at the same time it is easy to actualize on the traditional truck and container.
Description
Technical field
The present invention relates to a kind of ice maker for freezing container and control method, more particularly, relate to a kind of refrigerating plant control circuit and control method.
Background technology
Be the control circuit figure of existing ice maker for freezing container as shown in Figure 1.When frozen products insulated container or refrigerator carriage were in cooling condition, the compressor relay 1 of its refrigerating plant, condenser bellows relay 2 and evaporimeter bellows relay 3 all were in the state of connection, and this moment, compressor, condenser, evaporimeter all were in operating condition.Duty by controller 4 control compressor relay 1, condenser bellows relay 2 and evaporimeter bellows relays 3.
In the process of refrigerastion of frozen products insulated container or refrigerator carriage, after carrying out the switch door operation,, will make to produce very big negative pressure in the case, when serious even can crush refrigerating box side plate or top board if refrigerating plant still is in cooling condition.
The control circuit of existing refrigerating plant can not detect the air pressure vacuum in the casing, can not prevent that the excessive accident that causes casing to collapse under pressure of negative pressure takes place in the case.
Summary of the invention
One of the technical problem to be solved in the present invention is, a kind of ice maker for freezing container is provided, and can detect casing internal gas pressure vacuum, and refrigerating plant is quit work, and prevents the excessive contingency that causes casing to collapse under pressure of negative pressure in the case.
Two of the technical problem to be solved in the present invention is, a kind of control method of ice maker for freezing container is provided, and realizes the measurement and the control of case internal gas pressure vacuum, prevents the excessive contingency that causes casing to collapse under pressure of negative pressure in the case.
The present invention solves the technical scheme that one of its technical problem adopts: construct a kind of ice maker for freezing container, comprise controller, mutual compressor relay arranged side by side, condenser relay and evaporimeter relay, described controller is controlled described compressor relay, the duty of condenser relay and evaporimeter relay, it is characterized in that, also comprise pressure switch of connecting and the air pressure sensing control device that can control this pressure switch with described compressor relay, described air pressure sensing control device comprises control device and is arranged at the interior baroceptor of case, described control device obtains pressure information and sends control signal from described baroceptor, when the decline of case internal gas pressure reaches setting air pressure, described air pressure sensing control device is controlled described pressure switch and is disconnected, when the case internal gas pressure was higher than setting air pressure, described air pressure sensing control device was controlled described pressure switch and is connected.
In ice maker for freezing container of the present invention, described pressure switch is with after described compressor relay is connected, and is arranged side by side with described condenser relay, evaporimeter relay again.
In ice maker for freezing container of the present invention, described compressor relay, condenser relay back are side by side connected with described pressure switch, and be arranged side by side with described evaporimeter relay again.
In ice maker for freezing container of the present invention, described compressor relay, condenser relay, evaporimeter relay side by side after, connect with described pressure switch again.
In ice maker for freezing container of the present invention, also comprise the time-delay relay that is subjected to the control of described air pressure sensing control device and controls described pressure switch time-delay, pressure switch and compressor relay after described time-delay relay and mutual the series connection are arranged side by side; When the case internal gas pressure is higher than setting air pressure, described baroceptor is controlled the described time-delay relay closing of contact, this time-delay relay is controlled described pressure switch timing closing, when the decline of case internal gas pressure reached setting air pressure, described air pressure sensing control device was controlled described time-delay relay contact and is disconnected.
In ice maker for freezing container of the present invention, described air pressure sensing control device is a vacuum switch, and described vacuum switch is arranged in the case.
Two technical schemes that adopted that the present invention solves its technical problem are: the control method that a kind of ice maker for freezing container is provided, the control circuit of described refrigerating plant comprises controller, mutual compressor relay arranged side by side, condenser relay and evaporimeter relay, described controller is controlled described compressor relay, the duty of condenser relay and evaporimeter relay, also comprise pressure switch of connecting and the air pressure sensing control device that can control this pressure switch with described compressor relay, described air pressure sensing control device comprises control device and is arranged at the interior baroceptor of case, described control device obtains pressure information and sends control signal from described baroceptor, it is characterized in that described method comprises the steps:
A. described baroceptor is measured the case internal gas pressure;
B. when the decline of case internal gas pressure reached setting air pressure, described air pressure sensing control device was controlled described pressure switch and is disconnected, and when the case internal gas pressure was higher than setting air pressure, described air pressure sensing control device was controlled described pressure switch and connected.
In the control method of ice maker for freezing container of the present invention, also comprise the time-delay relay that is subjected to the control of described air pressure sensing control device and controls described pressure switch time-delay, pressure switch and compressor relay after described time-delay relay and mutual the series connection are arranged side by side; When the case internal gas pressure is higher than setting air pressure, described baroceptor is controlled the described time-delay relay closing of contact, this time-delay relay is controlled described pressure switch timing closing, when the decline of case internal gas pressure reached setting air pressure, described air pressure sensing control device was controlled described time-delay relay contact and is disconnected.
Implement ice maker for freezing container of the present invention and control method, its beneficial effect is:
1, only increase a little electrons element on former control circuit and realize vacuum degree control in the case, simple in structure, implementation cost is low.
2, casing and car body structure are not had change, do not influence the manufacturing of existing casing and car body.
3, on second hand cases, used car, carry out promotion and implementation easily.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the existing control circuit figure that is used for the refrigerating plant of frozen products insulated container or refrigerator car.
Fig. 2 is ice maker for freezing container control circuit embodiment one of the present invention.
Fig. 3 is ice maker for freezing container control circuit embodiment two of the present invention.
Fig. 4 is ice maker for freezing container control circuit embodiment three of the present invention.
The specific embodiment
Embodiment one:
Fig. 2 shows the embodiment one of ice maker for freezing container control circuit of the present invention.As shown in Figure 2, but this refrigerating plant control circuit comprises the vacuum pressure switch 5 of controller 4, compressor relay 1, condenser relay 2, evaporimeter relay 3, pressure switch 7 controlled pressure switches 7, vacuum pressure switch 5 is arranged in the case, the duty of controller 4 control compressor relays 1, condenser relay 2, evaporimeter relay 3, pressure switch 7 is with arranged side by side with condenser relay 2, evaporimeter relay 3 again after compressor relay 1 is connected.The case internal gas pressure that vacuum pressure switch 5 is controlled is as required preset a working value (as 300mm～400mm water column), when ambient pressure decline reaches setting air pressure in the case, vacuum pressure switch 5 controlled pressure switches 7 disconnect, and compressor relay 1 opens circuit, and compressor quits work.When ambient pressure was higher than setting air pressure, vacuum pressure switch 5 controlled pressure switches 7 were connected, and controller 4 control compressor relays 1 are connected, compressor starts work, thus vacuum is no more than the setting atmospheric pressure value in the guard box, assurance casing safety.
For further control cabinet internal pressure, time-delay relay 6 is set in circuit, this time-delay relay 6 is subjected to vacuum pressure switch 5 controls and 7 time-delays of controlled pressure switch, and pressure switch 7 and compressor relay 1 after time-delay relay 6 and mutual the series connection are arranged side by side.When ambient pressure in the case is higher than setting air pressure, the closing of contact of vacuum pressure switch 5 control time- delay relays 6,7 timing closings of time-delay relay 6 controlled pressure switches, thereby after making the interior vacuum decline of case reach setting value, the refrigeration system refrigeration that quits work for some time, thus refrigeration system avoided to work on making that the temperature inside the box descends, vacuum sharply increases and damage the danger of casing.
When ambient pressure decline reached setting air pressure, vacuum pressure switch 5 control time-delay relays 6 contacts disconnected.
In other embodiments, vacuum pressure switch 5 can add upper controller with baroceptor commonly used and replaces.Baroceptor detection case internal gas pressure during use is set air pressure or rising and is higher than when setting air pressure when ambient pressure in the case descends to reaching, and control device sends control signal respectively pressure switch 7 and time-delay relay 6 are controlled.
Embodiment two:
As shown in Figure 3, embodiment two and embodiment one are basic identical, and difference is: compressor relay 1, condenser relay 2 are connected with pressure switch 7 back side by side, and be arranged side by side with evaporimeter relay 3 again.
Like this, when ambient pressure decline reached setting air pressure in the case, vacuum pressure switch 5 controlled pressure switches 7 disconnected, and compressor relay 1 and condenser relay 2 open circuit, compressor, condenser shut down.When ambient pressure is higher than setting air pressure, vacuum pressure switch 5 controlled pressure switches 7 are connected, and controller 4 control compressor relays 1, condenser relay 2 are connected, and compressor, condenser are started working, thereby vacuum is no more than the setting atmospheric pressure value in the guard box, guarantees casing safety.
Embodiment three:
As shown in Figure 4, embodiment two and embodiment one are basic identical, and difference is: compressor relay 1, condenser relay 2, evaporimeter relay 3 side by side after, connect with pressure switch 7 again.
Like this, when ambient pressure decline reached setting air pressure in the case, vacuum pressure switch 5 controlled pressure switches 7 disconnected, and compressor relay 1, condenser relay 2, evaporimeter relay 3 open circuit, compressor, condenser, evaporator stops operation.When ambient pressure is higher than setting air pressure, vacuum pressure switch 5 controlled pressure switches 7 are connected, controller 4 control compressor relays 1, condenser relay 2, evaporimeter relay 3 are connected, compressor, condenser, evaporimeter are started working, thereby vacuum is no more than the setting atmospheric pressure value in the guard box, guarantees casing safety.
The control method of ice maker for freezing container control circuit of the present invention comprises the steps:
A, state baroceptor and measure the case internal gas pressure;
B, reach when setting air pressure when the case internal gas pressure descends, described air pressure sensing control device is controlled described pressure switch and is disconnected, and when the case internal gas pressure is higher than when setting air pressure, described air pressure sensing control device is controlled described pressure switch and connected.
The time-delay relay 6 be subjected to control of air pressure sensing and controlling device and 7 time-delays of controlled pressure switch is set in control circuit, and pressure switch 7 and compressor relay 1 after time-delay relay 6 and mutual the series connection are arranged side by side.At this moment, when the case internal gas pressure is higher than setting air pressure, the baroceptor control time-delay relay closing of contact, these time-delay relay 6 controlled pressure switches 7 timing closings; Reach setting air pressure when the case internal gas pressure descends, air pressure sensing control device control time-delay relay contact disconnects.
Claims (8)
1, a kind of ice maker for freezing container, its control circuit comprises controller, mutual compressor relay arranged side by side, condenser relay and evaporimeter relay, described controller is controlled described compressor relay, the duty of condenser relay and evaporimeter relay, it is characterized in that, also comprise pressure switch of connecting and the air pressure sensing control device that can control this pressure switch with described compressor relay, described air pressure sensing control device comprises control device and is arranged at the interior baroceptor of case, described control device obtains pressure information and sends control signal from described baroceptor, when the decline of case internal gas pressure reaches setting air pressure, described air pressure sensing control device is controlled described pressure switch and is disconnected, when the case internal gas pressure was higher than setting air pressure, described air pressure sensing control device was controlled described pressure switch and is connected.
2, ice maker for freezing container according to claim 1 is characterized in that: described pressure switch is with after described compressor relay is connected, and is arranged side by side with described condenser relay, evaporimeter relay again.
3, ice maker for freezing container according to claim 1 is characterized in that: described compressor relay, condenser relay back are side by side connected with described pressure switch, and be arranged side by side with described evaporimeter relay again.
4, ice maker for freezing container according to claim 1 is characterized in that: described compressor relay, condenser relay, evaporimeter relay side by side after, connect with described pressure switch again.
5, according to the described ice maker for freezing container of one of claim 1 to 4, it is characterized in that: also comprise the time-delay relay that is subjected to the control of described air pressure sensing control device and controls described pressure switch time-delay, pressure switch and compressor relay after described time-delay relay and mutual the series connection are arranged side by side; When the case internal gas pressure is higher than setting air pressure, described baroceptor is controlled the described time-delay relay closing of contact, this time-delay relay is controlled described pressure switch timing closing, when the decline of case internal gas pressure reached setting air pressure, described air pressure sensing control device was controlled described time-delay relay contact and is disconnected.
6, ice maker for freezing container according to claim 5 is characterized in that: described air pressure sensing control device is a vacuum switch, and described vacuum switch is arranged in the case.
7, a kind of control method of ice maker for freezing container, the control circuit of described refrigerating plant comprises controller, mutual compressor relay arranged side by side, condenser relay and evaporimeter relay, described controller is controlled described compressor relay, the duty of condenser relay and evaporimeter relay, also comprise pressure switch of connecting and the air pressure sensing control device that can control this pressure switch with described compressor relay, described air pressure sensing control device comprises control device and is arranged at the interior baroceptor of case, described control device obtains pressure information and sends control signal from described baroceptor, it is characterized in that described method comprises the steps:
A, described baroceptor are measured the case internal gas pressure;
B, reach when setting air pressure when the case internal gas pressure descends, described air pressure sensing control device is controlled described pressure switch and is disconnected, and when the case internal gas pressure is higher than when setting air pressure, described air pressure sensing control device is controlled described pressure switch and connected.
8, the control method of ice maker for freezing container according to claim 7, it is characterized in that, also comprise the time-delay relay that is subjected to the control of described air pressure sensing control device and controls described pressure switch time-delay, pressure switch and compressor relay after described time-delay relay and mutual the series connection are arranged side by side; When the case internal gas pressure is higher than setting air pressure, described baroceptor is controlled the described time-delay relay closing of contact, this time-delay relay is controlled described pressure switch timing closing, when the decline of case internal gas pressure reached setting air pressure, described air pressure sensing control device was controlled described time-delay relay contact and is disconnected.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100606712A CN101074828A (en) | 2006-05-15 | 2006-05-15 | Ice maker for freezing container and its controlling method |
| US11/800,021 US20070261424A1 (en) | 2006-05-15 | 2007-05-03 | Cooling device and controlling method thereof for reefer container |
| AU2007201978A AU2007201978A1 (en) | 2006-05-15 | 2007-05-03 | Cooling device and controlling method thereof for reefer container |
| BRPI0701090-7A BRPI0701090A2 (en) | 2006-05-15 | 2007-05-14 | refrigeration device and refrigerated container control method |
| EP07251985A EP1857758A3 (en) | 2006-05-15 | 2007-05-15 | Cooling device and controlling method thereof for reefer container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100606712A CN101074828A (en) | 2006-05-15 | 2006-05-15 | Ice maker for freezing container and its controlling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101074828A true CN101074828A (en) | 2007-11-21 |
Family
ID=38229986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100606712A Pending CN101074828A (en) | 2006-05-15 | 2006-05-15 | Ice maker for freezing container and its controlling method |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20070261424A1 (en) |
| EP (1) | EP1857758A3 (en) |
| CN (1) | CN101074828A (en) |
| AU (1) | AU2007201978A1 (en) |
| BR (1) | BRPI0701090A2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107250693A (en) * | 2015-02-27 | 2017-10-13 | 大金工业株式会社 | Freezer for container |
| CN108430277A (en) * | 2015-12-22 | 2018-08-21 | 开利公司 | Refrigerate selling device |
| CN108569477A (en) * | 2018-03-20 | 2018-09-25 | 徐州迈斯特机械科技有限公司 | A kind of machine-building electrical device storage guard system |
| US11515267B2 (en) | 2019-05-17 | 2022-11-29 | Taiwan Semiconductor Manufacturing Company, Ltd. | Dummy die placement without backside chipping |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK177395B1 (en) | 2011-11-02 | 2013-03-18 | Maersk Container Ind As | A method for operating a refrigeration system for a cargo container |
| US10254027B2 (en) | 2014-05-02 | 2019-04-09 | Thermo King Corporation | Method and system for controlling operation of evaporator fans in a transport refrigeration system |
| CN104567182A (en) * | 2014-12-24 | 2015-04-29 | 李勋田 | Mobile unpowered energy-saving food preservation box and preservation method |
| KR102376896B1 (en) | 2015-11-12 | 2022-03-22 | 대우조선해양 주식회사 | Energy saving apparatus for driving cargo hold fan |
| US10837694B2 (en) | 2016-12-13 | 2020-11-17 | Whirlpool Corporation | Refrigeration appliance fan |
| US11828518B2 (en) | 2016-12-13 | 2023-11-28 | Whirlpool Corporation | Refrigeration appliance fan |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3377816A (en) * | 1966-08-01 | 1968-04-16 | Carrier Corp | Compressor control arrangement |
| US3563048A (en) * | 1968-12-30 | 1971-02-16 | Carrier Corp | Automatic control for an air conditioning system |
| US3965692A (en) * | 1974-11-15 | 1976-06-29 | Friedrich Refrigerators Inc. | Refrigeration control circuit |
| JPS5686820A (en) * | 1979-12-18 | 1981-07-15 | Nissan Motor Co Ltd | Automatic control device for clutch of car cooler |
| GB2098362A (en) | 1981-03-17 | 1982-11-17 | Sea Containers Ltd | Cargo refrigeration |
| US4663725A (en) * | 1985-02-15 | 1987-05-05 | Thermo King Corporation | Microprocessor based control system and method providing better performance and better operation of a shipping container refrigeration system |
| US4899549A (en) * | 1989-01-31 | 1990-02-13 | Thermo King Corporation | Transport refrigeration system with improved temperature and humidity control |
| JPH0740947Y2 (en) | 1989-03-06 | 1995-09-20 | 三菱重工業株式会社 | Refrigeration equipment for containers |
| US5239834A (en) * | 1992-07-13 | 1993-08-31 | Travers Richard H | Auxiliary outside air refrigeration system |
-
2006
- 2006-05-15 CN CNA2006100606712A patent/CN101074828A/en active Pending
-
2007
- 2007-05-03 US US11/800,021 patent/US20070261424A1/en not_active Abandoned
- 2007-05-03 AU AU2007201978A patent/AU2007201978A1/en not_active Abandoned
- 2007-05-14 BR BRPI0701090-7A patent/BRPI0701090A2/en not_active IP Right Cessation
- 2007-05-15 EP EP07251985A patent/EP1857758A3/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107250693A (en) * | 2015-02-27 | 2017-10-13 | 大金工业株式会社 | Freezer for container |
| CN107250693B (en) * | 2015-02-27 | 2019-11-05 | 大金工业株式会社 | Freezer for container |
| CN108430277A (en) * | 2015-12-22 | 2018-08-21 | 开利公司 | Refrigerate selling device |
| CN108430277B (en) * | 2015-12-22 | 2021-04-02 | 开利公司 | Refrigerated merchandiser |
| CN108569477A (en) * | 2018-03-20 | 2018-09-25 | 徐州迈斯特机械科技有限公司 | A kind of machine-building electrical device storage guard system |
| US11515267B2 (en) | 2019-05-17 | 2022-11-29 | Taiwan Semiconductor Manufacturing Company, Ltd. | Dummy die placement without backside chipping |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2007201978A1 (en) | 2007-11-29 |
| BRPI0701090A2 (en) | 2008-12-30 |
| EP1857758A3 (en) | 2007-12-26 |
| US20070261424A1 (en) | 2007-11-15 |
| EP1857758A2 (en) | 2007-11-21 |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20071121 |
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