CN209495507U - A kind of defrosting control device for cold storage refrigerating system - Google Patents

A kind of defrosting control device for cold storage refrigerating system Download PDF

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Publication number
CN209495507U
CN209495507U CN201821555620.1U CN201821555620U CN209495507U CN 209495507 U CN209495507 U CN 209495507U CN 201821555620 U CN201821555620 U CN 201821555620U CN 209495507 U CN209495507 U CN 209495507U
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contactor
defrosting
host
connect
control device
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CN201821555620.1U
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Chinese (zh)
Inventor
焦伟涛
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Suzhou Foucault Electric Co Ltd
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Suzhou Foucault Electric Co Ltd
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Abstract

This patent discloses a kind of defrosting control devices for cold storage refrigerating system; it is comprising being equipped with air switch, host A.C. contactor, defrost A.C. contactor, host thermal overload relay, protective device for phase-missing in phase sequence, terminal block in casing, casing; temperature sensor, frosting thickness detection apparatus and defrosting equipment are additionally provided in casing; the defrost A.C. contactor is connect with the defrosting equipment; the frosting thickness detection apparatus, temperature sensor and controller connect, and the controller is connect with the defrost A.C. contactor.The defrosting control device very intelligently, conveniently, saves a large amount of manpower and material resources and time.

Description

A kind of defrosting control device for cold storage refrigerating system
Technical field
The utility model relates to technical field of refrigeration equipment, and in particular to a kind of defrosting control for cold storage refrigerating system Device.
Background technique
Cold storage refrigerating system is the critical component of freezer, and in freezer use process, the comb of cold storage refrigerating system is frequent The case where will appear frosting, the frosting on comb can largely effect on the working efficiency of cold storage refrigerating system, due to evaporating in freezer The frosting of device surface, interferes the conduction of refrigerating evaporator (pipeline) cooling capacity and distributes, and finally influences refrigeration effect.When evaporator surface When frost layer (ice sheet) thickness reaches a certain level, refrigerating efficiency even drops to 30% hereinafter, leading to the larger waste of electric energy, and contract The service life of short refrigeration system.Therefore the comb on cold storage refrigerating system must be removed at interval of a period of time The method of frost processing, the processing of cold storage refrigerating system defrosting at present has very much, such as hot gas defrosting, water spray defrosting, electrical defrosting.
What the defrosting of existing cold storage refrigerating system mostly used greatly is all the mode periodically to defrost, is exactly at interval of a period of time Once defrosted, but this mode is there are an insufficient place, be exactly sometimes comb can a large amount of frosting in a short time, If often defrosted by the way of fixed cycle not in time, therefore, it is also often desirable to be observed by artificial mode now, To judge whether to defrost, automatization level is lower.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, it provides a kind of for cold storage refrigerating system Defrosting control device, it is controlled using a Microcomputer control device, can carry out detecting whether to be removed automatically Frost work, and defrosting work can be automatically turned on or close, very intelligently, conveniently, save a large amount of manpower and material resources and time.
To achieve the above object, the utility model is using following technical scheme: a kind of removing for cold storage refrigerating system White control device, it includes casing, cap, and the cap is connect by hinge with the casing, outside the cabinet Air switch, host A.C. contactor, defrost A.C. contactor, host thermal overload relay, phase sequence open-phase protection are equipped in shell Device, terminal block, air switch connect host A.C. contactor, defrost A.C. contactor, phase sequence open-phase protection by conducting wire and fill It sets, host A.C. contactor utilizes conducting wire and host thermal overload relay, protective device for phase-missing in phase sequence, the host ac contactor Device is connect with refrigerating plant, and temperature sensor, frosting thickness detection apparatus and defrosting equipment, institute are additionally provided in the casing It states defrost A.C. contactor to connect with the defrosting equipment, the frosting thickness detection apparatus, temperature sensor and controller connect It connects, the controller is connect with the defrost A.C. contactor.
Preferably, the frosting thickness detection apparatus includes two infrared photocells being oppositely arranged, two infrared rays The comb two sides of the refrigerating plant, one of infrared photocell and the controller is arranged in photoelectric tube.
Preferably, be additionally provided with manual control button, control switch and door lock on the casing, it is described manually control by Button, control switch are connect with the controller.
Preferably, the defrosting equipment is electric defrosting equipment.
Preferably, the controller includes digital display, setting key, temperature indicator and single-chip microcontroller, the number Display, setting key, temperature indicator are connect with the single-chip microcontroller, the digital display, setting key, temperature indicator It is arranged on casing.
After adopting the above technical scheme, the utility model has the beneficial effect that the defrosting control device of the cold storage refrigerating system Temperature sensor and dedicated frosting thickness detection apparatus are set, examined in real time by temperature sensor and frosting thickness detection apparatus The working condition of refrigeration equipment and the frosting thickness that comb is above-mentioned are surveyed, when the frosting thickness on comb is more than specified value, control Device controls host A.C. contactor, the movement of defrost A.C. contactor, shuts down refrigerating plant while defrosting equipment being made to start to work The frost accumulated on comb is removed, the purpose of automatic defrosting is had reached, the defrosting control device very intelligence, conveniently saves A large amount of manpower and material resources and time.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the schematic diagram of internal structure of the utility model;
Fig. 3 is the structural representation of the utility model embodiment frosting thickness detection apparatus.
Description of symbols: casing 1, cap 2, hinge 3, manual control button 4, controller 5, control switch 6, door Lock 7, air switch 8, host A.C. contactor 9, defrost A.C. contactor 10, host thermal overload relay 11, phase sequence phase shortage are protected Protection unit 12, temperature sensor 14, frosting thickness detection apparatus 15, defrosting equipment 16, digital display 51, is set terminal block 13 Determine key 52, temperature indicator 53;17, infrared photocell;18, comb.
Specific embodiment
Referring to shown in Fig. 1-Fig. 3, present embodiment the technical solution adopted is that: this is used for removing for cold storage refrigerating system White control device includes casing 1, cap 2, hinge 3, manual control button 4, controller 5, control switch 6, door lock 7, sky Air cock 8, host A.C. contactor 9, defrost A.C. contactor 10, host thermal overload relay 11, protective device for phase-missing in phase sequence 12, terminal block 13, temperature sensor 14, frosting thickness detection apparatus 15, defrosting equipment 16.Cap 2 links cabinet by hinge 3 Simultaneously surface is covered on it in shell 1, and door lock 7 is additionally provided on casing 1.
Air switch 8, host A.C. contactor 9, defrost A.C. contactor 10, host thermal overload are equipped in chassis shell body 1 Relay 11, protective device for phase-missing in phase sequence 12, terminal block 13.Air switch connects host A.C. contactor 9, defrost by conducting wire A.C. contactor 10, host A.C. contactor 9 are connected using conducting wire and host thermal overload relay 11, protective device for phase-missing in phase sequence 12 It connects, host thermal overload relay 11, protective device for phase-missing in phase sequence 12 can play the work of overheating protection and the protection of phase sequence lacuna respectively With host A.C. contactor 9 is connect with refrigerating plant, and air switch 8 is connect with external power supply, and host A.C. contactor 9 is closed Refrigerating plant can be driven to work.
Temperature sensor 14, frosting thickness detection apparatus 15 and defrosting equipment 16, defrost exchange are additionally provided in casing 1 Contactor 10 is connect with defrosting equipment 16, and frosting thickness detection apparatus 15, temperature sensor 14 are connect with controller 5, controller 5 It is connect with defrost A.C. contactor 10, host A.C. contactor 9.Frosting thickness detection apparatus 15 is mainly for detection of refrigerating plant The thickness of upper comb frost accumulated.As a kind of specific embodiment, as shown in figure 3, the frosting thickness detection apparatus 15 includes two The opposite infrared photocell 17 in position, 18 two sides of comb of two 17 refrigerating plants of infrared photocell, one of them is infrared Linear light fulgurite 17 is connect with controller 5.The height of infrared photocell 17 should be higher than that the upper surface of comb 18, and specific height is to need The frost accumulated thickness required when defrosting, in this way when the frost accumulated thickness on comb 18 reaches specified value, frost accumulated can stop two it is red Feedback signal will occur for the light of outside line photoelectric tube 17, such infrared photocell 17 to controller 5,5 controlization of controller White A.C. contactor 10 acts, and driving defrosting equipment 16 works, and achievees the purpose that quickly defrosting.It originally is in embodiment, driving removes White equipment 16 uses electric defrosting equipment.
In order to facilitate manual operation, it is additionally provided with manual control button 4, control switch 6 on casing 1, manually controls Press, 4, control switch 6 connect with controller 5, by manual control button 4, control switch 6 be able to achieve manually defrosting operation.Control Device 5 processed includes digital display 51, setting key 52, temperature indicator 53 and single-chip microcontroller, digital display 51, setting key 52, temperature indicator 53 is connect with single-chip microcontroller, and digital display 51, setting key 52, temperature indicator 53 are arranged outside cabinet It is convenient that operating condition, the temperature etc. of complete machine are shown and operated on shell.
The defrosting control device setting temperature sensor of the cold storage refrigerating system and dedicated frosting thickness detection apparatus, lead to The above-mentioned frosting thickness of the working condition and comb of excess temperature sensor and frosting thickness detection apparatus real-time detection refrigeration equipment, When the frosting thickness on comb is more than specified value, controller controls host A.C. contactor, the movement of defrost A.C. contactor, makes Refrigerating plant shuts down while defrosting equipment being made to start to work to remove the frost accumulated on comb, has reached the purpose of automatic defrosting, should Control device defrost very intelligently, conveniently, saves a large amount of manpower and material resources and time
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model Spirit and scope should all cover in the scope of the claims of the utility model.

Claims (5)

1. a kind of defrosting control device for cold storage refrigerating system, it includes casing (1), cap (2), the cap (2) it is connect by hinge (3) with the casing (1), air switch (8) is equipped in the casing (1), host exchanges Contactor (9), defrost A.C. contactor (10), host thermal overload relay (11), protective device for phase-missing in phase sequence (12), terminal block (13), air switch (8) connects host A.C. contactor (9), defrost A.C. contactor (10), phase sequence open-phase protection by conducting wire Device (12), host A.C. contactor (9) utilize conducting wire and host thermal overload relay (11), protective device for phase-missing in phase sequence (12), the host A.C. contactor (9) connect with refrigerating plant, it is characterised in that: is additionally provided with temperature in the casing (1) Spend sensor (14), frosting thickness detection apparatus (15) and defrosting equipment (16), the defrost A.C. contactor (10) with it is described Defrosting equipment (16) connection, the frosting thickness detection apparatus (15), temperature sensor (14) are connect with controller (5), described Controller (5) is connect with the defrost A.C. contactor (10).
2. the defrosting control device according to claim 1 for cold storage refrigerating system, it is characterised in that: the frosting is thick Degree detection device (15) includes two infrared photocells being oppositely arranged, and two infrared photocells (17) are arranged in the system Comb (18) two sides of device for cooling, one of infrared photocell and the controller (5).
3. the defrosting control device according to claim 1 for cold storage refrigerating system, it is characterised in that: outside the cabinet Be additionally provided with manual control button (4), control switch (6) and door lock (7) on shell (1), the manual control button, control switch with The controller connection.
4. a kind of defrosting control device for cold storage refrigerating system according to claim 1, it is characterised in that: described Defrosting equipment (16) is electric defrosting equipment.
5. a kind of defrosting control device for cold storage refrigerating system according to claim 1, it is characterised in that: the control Device (5) processed includes digital display (51), setting key (52), temperature indicator (53) and single-chip microcontroller, the digital display (51), key (52) are set, temperature indicator (53) is connect with the single-chip microcontroller, the digital display (51), setting key (52), temperature indicator (53) is arranged on casing (1).
CN201821555620.1U 2018-09-22 2018-09-22 A kind of defrosting control device for cold storage refrigerating system Active CN209495507U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821555620.1U CN209495507U (en) 2018-09-22 2018-09-22 A kind of defrosting control device for cold storage refrigerating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821555620.1U CN209495507U (en) 2018-09-22 2018-09-22 A kind of defrosting control device for cold storage refrigerating system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111238136A (en) * 2020-01-19 2020-06-05 戴纳智慧医疗科技有限公司 Refrigerator frosting monitoring and management method
CN112856893A (en) * 2021-04-01 2021-05-28 生活易购商业运营管理有限公司 Low-temperature living body refrigeration equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111238136A (en) * 2020-01-19 2020-06-05 戴纳智慧医疗科技有限公司 Refrigerator frosting monitoring and management method
CN112856893A (en) * 2021-04-01 2021-05-28 生活易购商业运营管理有限公司 Low-temperature living body refrigeration equipment

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