CN204759801U - Real standard operation examination device of freezer - Google Patents
Real standard operation examination device of freezer Download PDFInfo
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- CN204759801U CN204759801U CN201520305519.0U CN201520305519U CN204759801U CN 204759801 U CN204759801 U CN 204759801U CN 201520305519 U CN201520305519 U CN 201520305519U CN 204759801 U CN204759801 U CN 204759801U
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- freezer
- air
- high temperature
- training
- freezing room
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Abstract
The utility model discloses a real standard operation examination device of freezer, including air -cooled refrigerating unit, pin -connected panel freezer, controlling means, real behaviour's training examination device, forced air cooling refrigerating unit, pin -connected panel freezer, real behaviour's training examination device are controlled through the cable hookup by controlling means. This device collects small -size freezer refrigerating system, electric control system and failure system in an organic whole, with traditional freezer system miniaturation to the system is truly complete, and the structure is clear, compact, satisfies the requirement to real standard, examination, and is comprehensive strong, each device all has a name sign, and the student can the various devices of understanding directly perceived, and nature directly perceived is strong, in order to adapt to the training examination requirement of keeping the safety in production, increased some supplementary configuration unit, messenger's equipment can be simulated and produced multiple common fault in the actual motion, and the confession student discernes failure cause and starts and gets rid of, assesss the student to master the level that basic knowledge and technical ability were operated to the freezer comprehensively, has realized the examination of " material object + emulation + intellectuality is appraised " safety training.
Description
Technical field
The utility model belongs to freezer Measuring error technical field, particularly relates to a kind of freezer training operation checking device.
Background technology
As everyone knows, freezer has indispensable effect in daily life, but how to operate operation and trouble hunting freezer be a relatively complicated technology, need a complete study and actual mechanical process, at present in each big-and-middle universities and colleges and training centers run by social sectors, all need to can be used for learner to learn the equipment with practical operation training, because freezer is expensive, floor area is large, easily damage due to misoperation during learner operates at the scene, therefore high cost, a kind of device can simulating practical operation maintenance and maintenance freezer of current urgent need.
Utility model content
Utility model object: the purpose of this utility model is to solve above the deficiencies in the prior art, provides a kind of freezer training operation checking device.
Technical scheme: a kind of freezer training operation checking device described in the utility model, comprise air cooling chiller group, pin-connected panel freezer, control device, operation training checking device, described air cooling chiller group, pin-connected panel freezer, operation training checking device connect manipulation by control device by cable.Described air cooling chiller group comprises Freezing room liquid supply electromagnetic valve, high temperature storehouse liquid supply electromagnetic valve, low temperature heating power expansion valve, compressor, high voltage protector, oil separator, air-cooled condenser, reservoir, device for drying and filtering, liquid-sighting glass, evaporating pressure regulating valve, air-cooler, high-temperature air cooler, high temperature heating power expansion valve, described Freezing room liquid supply electromagnetic valve, heating power expansion valve, air-cooler is connected in series and described high temperature storehouse liquid supply electromagnetic valve by copper pipe successively, high temperature heating power expansion valve, high-temperature air cooler, the pipeline that evaporating pressure regulating valve is connected by copper pipe is successively connected in parallel and is then connected by copper pipe with described low voltage protection device for electrophonic, described low voltage protection device for electrophonic and compressor, high voltage protector, oil separator, air-cooled condenser, reservoir, device for drying and filtering, liquid-sighting glass is connected in series by copper pipe successively, then closed-loop path pipeline is connected to form with front described parallel pipeline by copper pipe.
Wherein, described pin-connected panel freezer material is color steel, separates and be provided with high temperature storehouse and Freezing room in the middle part of described pin-connected panel freezer.
Wherein, described control device comprises AC power, and described AC power is furnished with A.C. voltmeter.
Wherein, described operation training checking device comprises operator's console, and described operator's console is provided with computing machine and guidance panel.
Wherein, described high temperature storehouse and Freezing room are equipped with 2 fan storehouse doors, and described high temperature storehouse and Freezing room inside are provided with air-cooler and defrost heater strip, and described high temperature storehouse and Freezing room are equipped with water delivering orifice.
Beneficial effect: a kind of freezer training operation checking device described in the utility model, integrate miniature cold storage refrigeration system, electric control system and failure system, traditional refrigeration storage system is microminiaturized, and system is truly complete, clear in structure, compact, meet the requirement to real training, examination, by force comprehensive; Whole device adopts open type design, and control circuit and refrigeration pipe system are directly shown, each device all has name identification, and student can the various device of visual understanding, and intuitive is strong; In order to adapt to work safety training check requirements, add some auxiliary dispensing units, equipment can be simulated and produce multiple most common failure in actual motion, supply student's identification of defective reason and start to get rid of, comprehensive assessment student grasps the level of freezer operation ABC and technical ability, achieves the examination of " material object+emulation+intellectuality is appraised " safety training.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model;
Fig. 2 is the structural representation of air cooling chiller group of the present utility model.
Embodiment
In order to deepen understanding of the present utility model, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, and this embodiment, only for explaining the utility model, does not form the restriction to the utility model protection domain.
A kind of freezer training operation checking device as shown in Figure 1, 2, comprise air cooling chiller group 1, pin-connected panel freezer 2, control device 3, operation training checking device 4, described air cooling chiller group 1, pin-connected panel freezer 2, operation training checking device 4 connect manipulation by control device 3 by cable 5.Air cooling chiller group 1 comprises Freezing room liquid supply electromagnetic valve 6, high temperature storehouse liquid supply electromagnetic valve 20, low temperature heating power expansion valve 7, low voltage protection device for electrophonic 9, compressor 10, high voltage protector 11, oil separator 12, air-cooled condenser 13, reservoir 14, device for drying and filtering 15, liquid-sighting glass 16, evaporating pressure regulating valve 17, air-cooler 8, high-temperature air cooler 18, high temperature heating power expansion valve 19, described Freezing room liquid supply electromagnetic valve 6, low temperature heating power expansion valve 7, air-cooler 8 is connected in series and described high temperature storehouse liquid supply electromagnetic valve 20 by copper pipe successively, high temperature heating power expansion valve 19, high-temperature air cooler 18, the pipeline that evaporating pressure regulating valve 17 is connected by copper pipe is successively connected in parallel and is then connected by copper pipe with described low voltage protection device for electrophonic 9, low voltage protection device for electrophonic 9 and compressor 10, high voltage protector 11, oil separator 12, air-cooled condenser 13, reservoir 14, device for drying and filtering 15, liquid-sighting glass 16 is connected in series by copper pipe successively, is then connected to form closed-loop path pipeline with front described parallel pipeline by copper pipe.Pin-connected panel freezer 2 material is color steel, separates and be provided with high temperature storehouse 22 and Freezing room 21 in the middle part of pin-connected panel freezer 2.Control device 3 comprises AC power 23, and described AC power 23 is furnished with A.C. voltmeter 31.Warm low pressure refrigerant in looping back from pin-connected panel freezer 2 is compressed into the gas of High Temperature High Pressure by compressor 10, by forming cryogenic high pressure liquid after air-cooled condenser 13, the liquid refrigerant of this cryogenic high pressure can be observed by liquid-sighting glass 16, Low temperature low pressure liquid is formed after the cold-producing medium of device for drying and filtering 15 enters high temperature heating power expansion valve 19 and low temperature heating power expansion valve 7, the air-cooler 8 of high-temperature air cooler 18 in high temperature storehouse 22 and Freezing room 21 is entered respectively under the control of high temperature storehouse liquid supply electromagnetic valve 20 and Freezing room liquid supply electromagnetic valve 6, the compressor 10 that during the liquid refrigerant of low-temp low-pressure absorbs and formed after heat in pin-connected panel freezer 2, the cold-producing medium of wet state enters air cooling chiller group 1 carries out iterative cycles.Cold-producing medium unnecessary in reservoir 14 stocking system of air cooling chiller group 1, high voltage protector 11 is by the pressure of monitoring refrigerant thus reach the temperature that the effect of protection compressor 10, evaporating pressure regulating valve 17 and high temperature heating power expansion valve 19 and low temperature heating power expansion valve 7 realize pin-connected panel freezer 2 jointly and arrange.
Operation training checking device 4 comprises operator's console 24, and described operator's console 24 is provided with computing machine 25 and guidance panel 26.High temperature storehouse 22 and Freezing room 21 are equipped with 2 fan storehouse doors 27, and described high temperature storehouse 22 and Freezing room 21 inside are provided with air-cooler 28 and defrost heater strip 29, and described high temperature storehouse 22 and Freezing room 21 are equipped with water delivering orifice 30.First checked by staff before freezer training operation checking device runs, guarantee that air-cooler 8, high-temperature air cooler 18, air-cooled condenser 13, compressor 10 are functional; Check that each pipe system junction is fastening, tight, non-loosening, leakage phenomenon; Check that cable 5 is guaranteed to connect correctly; Power control switch is placed in the position of pass; And switch on power, battery main switch and earth leakage protective device are closed, observe the magnitude of voltage of line voltage instruction, its normal voltage value is (380V ± 10%).If voltage is abnormal, then power-off inspection.Confirm normally through above every inspection, first air-cooler 8 and high-temperature air cooler 18 is started, secondly start compressor 10, start air-cooler 8 and high-temperature air cooler 18 after starting compressor 10, then start Freezing room liquid supply electromagnetic valve 6 and high temperature storehouse liquid supply electromagnetic valve 20.Note unit operating load situation, whether the sound listening air cooling chiller group 1 to run has abnormal noise.Observe air cooling chiller group 1 and whether there is leak point and hidden danger.Carry out air cooling chiller group 1 logout, observe and record the temperature value of each measurement point.
Compressor 10 does not allow frequent starting to stop, and the interval time again started after each stopping more preferably greater than 1h, otherwise can cause compressor 10 to damage.
The setting of fault and disposal:
1, produce the fault of poor refrigerating efficiency by regulating high/low temperature freezer electron evaporation pressure-regulating valve 17 to make freon flow reduce, its method for removing regulates high/low temperature freezer electron evaporation pressure-regulating valve 17 to make freon stream normal.
2, produce the too low fault of pressure of inspiration(Pi) by regulating high/low temperature freezer electron evaporation pressure-regulating valve 17 to adjust to closedown, its method for removing regulates high/low temperature freezer electron evaporation pressure-regulating valve 17 to make freon flow normal.
3, producing high temperature storehouse 22 by Freezing room liquid supply electromagnetic valve 6 coil blackout freezes normally, and the fault that Freezing room 21 does not freeze, its method for removing is closed PLCQ0.5 output relay.
4, producing Freezing room 21 by high temperature storehouse liquid supply electromagnetic valve 20 coil blackout freezes normally, and the fault do not freezed in high temperature storehouse 22, its method for removing is closed PLCQ0.4 output relay.
5, disconnected by Q0.0 coil and produce the fault that compressor 10 cannot start, its method for removing is closed PLCQ0.0 output relay.
6, disconnected by Q0.1 coil and produce the fault of poor refrigerating efficiency, its method for removing is closed PLCQ0.1 output relay.
7, disconnected by Q0.2 coil and produce storehouse temperature fault not up to standard, its method for removing is closed PLCQ0.2 output relay.
8, disconnected by Q0.3 coil and produce the idle fault of compressor 10, its method for removing is closed PLCQ0.3 output relay.
9, disconnected by Q1.4 coil and produce the fault that compressor 10 can not start, its method for removing is closed PLCQ1.4 output relay.
10, closed by Q1.5 coil and produce the fault of air switch tripping operation, its method for removing disconnects PLCQ1.5 output relay.
11, change 1A into by fuse and produce the too thin fault of fuse, its method for removing is that fuse recovers 8A.
12, disconnected by Q1.6 coil and produce the fault causing storehouse intraoral illumination lamp not work without AC220V, its method for removing is closed PLCQ1.6 output relay.
13, produce the fault of alarm equipment alarm by aiming at probe venting in high temperature storehouse 22 with freon fluid reservoir, its method for removing presses probe reset button in high temperature storehouse 22.
14, produce the fault that compressor 10 and air-cooler 8 and high-temperature air cooler 18 etc. all cannot start by taking out control loop fuse, its method for removing reinstalls control loop fuse.
15, disconnected by Q1.6 coil and produce the fault of Freezing room 21 without defrost phenomenon, its method for removing is closed PLCQ1.6 output relay.
When air cooling chiller group 1 is shut down, first stop Freezing room liquid supply electromagnetic valve 6 and high temperature storehouse liquid supply electromagnetic valve 20, next stops compressor 10, stops air-cooler 8 and high-temperature air cooler 18.After shutdown, field apparatus is checked, confirm normally, carry out respective record.If freezer finds compressor 10 fault in day-to-day operation, answer emergency stop, closing device general supply.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a freezer training operation checking device, comprises air cooling chiller group, pin-connected panel freezer, control device, operation training checking device, described air cooling chiller group, pin-connected panel freezer, operation training checking device connects manipulation by control device by cable, it is characterized in that: described air cooling chiller group comprises Freezing room liquid supply electromagnetic valve, high temperature storehouse liquid supply electromagnetic valve, low temperature heating power expansion valve, low voltage protection device for electrophonic, compressor, high voltage protector, oil separator, air-cooled condenser, reservoir, device for drying and filtering, liquid-sighting glass, evaporating pressure regulating valve, air-cooler, high-temperature air cooler, high temperature heating power expansion valve, described Freezing room liquid supply electromagnetic valve, heating power expansion valve, air-cooler is connected in series and described high temperature storehouse liquid supply electromagnetic valve by copper pipe successively, high temperature heating power expansion valve, high-temperature air cooler, the pipeline that evaporating pressure regulating valve is connected by copper pipe is successively connected in parallel and is then connected by copper pipe with described low voltage protection device for electrophonic, described low voltage protection device for electrophonic and compressor, high voltage protector, oil separator, air-cooled condenser, reservoir, device for drying and filtering, liquid-sighting glass is connected in series by copper pipe successively, is then connected to form closed-loop path pipeline with front described parallel pipeline by copper pipe.
2. a kind of freezer training operation checking device according to claim 1, is characterized in that: described pin-connected panel freezer material is color steel, separates and be provided with high temperature storehouse and Freezing room in the middle part of described pin-connected panel freezer.
3. a kind of freezer training operation checking device according to claim 1, it is characterized in that: described control device comprises AC power, described AC power is furnished with A.C. voltmeter.
4. a kind of freezer training operation checking device according to claim 1, is characterized in that: described operation training checking device comprises operator's console, and described operator's console is provided with computing machine and guidance panel.
5. a kind of freezer training operation checking device according to claim 2, it is characterized in that: described high temperature storehouse and Freezing room are equipped with 2 fan storehouse doors, described high temperature storehouse and Freezing room inside are provided with air-cooler and defrost heater strip, and described high temperature storehouse and Freezing room are equipped with water delivering orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520305519.0U CN204759801U (en) | 2015-05-12 | 2015-05-12 | Real standard operation examination device of freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520305519.0U CN204759801U (en) | 2015-05-12 | 2015-05-12 | Real standard operation examination device of freezer |
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| Publication Number | Publication Date |
|---|---|
| CN204759801U true CN204759801U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520305519.0U Expired - Fee Related CN204759801U (en) | 2015-05-12 | 2015-05-12 | Real standard operation examination device of freezer |
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| Country | Link |
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| CN (1) | CN204759801U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448496A (en) * | 2018-12-29 | 2019-03-08 | 武汉思源久行科技有限公司 | A kind of training examination system |
| CN109599002A (en) * | 2018-12-29 | 2019-04-09 | 武汉华育诺为信息技术有限公司 | A kind of examination training platform |
| CN111653142A (en) * | 2020-06-16 | 2020-09-11 | 梁飞 | Visual multifunctional intelligent cold-chain logistics practical training platform |
-
2015
- 2015-05-12 CN CN201520305519.0U patent/CN204759801U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448496A (en) * | 2018-12-29 | 2019-03-08 | 武汉思源久行科技有限公司 | A kind of training examination system |
| CN109599002A (en) * | 2018-12-29 | 2019-04-09 | 武汉华育诺为信息技术有限公司 | A kind of examination training platform |
| CN111653142A (en) * | 2020-06-16 | 2020-09-11 | 梁飞 | Visual multifunctional intelligent cold-chain logistics practical training platform |
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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: 20151111 Termination date: 20160512 |
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| CF01 | Termination of patent right due to non-payment of annual fee |