CN205481990U - Refrigerating plant and control circuit thereof - Google Patents

Refrigerating plant and control circuit thereof Download PDF

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Publication number
CN205481990U
CN205481990U CN201620043310.6U CN201620043310U CN205481990U CN 205481990 U CN205481990 U CN 205481990U CN 201620043310 U CN201620043310 U CN 201620043310U CN 205481990 U CN205481990 U CN 205481990U
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China
Prior art keywords
outfan
electrical switch
input
control
defrosting
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CN201620043310.6U
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Chinese (zh)
Inventor
石红卫
张文
蒋彬
葛鹏
李大伟
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Qingdao Haier Special Refrigerator Co Ltd
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Qingdao Haier Special Refrigerator Co Ltd
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Priority to CN201620043310.6U priority Critical patent/CN205481990U/en
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  • Defrosting Systems (AREA)

Abstract

The utility model relates to a refrigerating plant and control circuit, control circuit include electronic temperature controller, defrosting temperature sensor, an electronic switch and the 2nd electronic switch, and electronic temperature controller can realize the control to compressor, condensation fan and defrosting solenoid valve through an electronic switch and the 2nd electronic switch at least, realizes refrigerating plant's normal work and defrosting process, and it is effectual to defrost. The utility model discloses exquisite, the simple structure of control circuit design, the easy realization.

Description

A kind of refrigerating plant and control circuit thereof
Technical field
This utility model relates to technical field of refrigeration equipment, specifically, relates to a kind of refrigerating plant and control circuit thereof.
Background technology
At present, during refrigerating plant uses, the steam in air easily condenses and forms frost on an evaporator, affects refrigeration, so that defrost vaporizer.The existing mode defrosting vaporizer has two kinds, and one is Electric heating, and Electric heating needs to lay electric heating tube around vaporizer, is defrosted by electric heating tube, needs to increase accessory and energy consumption is higher, and defrost effect is undesirable.Another kind is that the flowing utilizing cold-producing medium defrosts, and increases defrosting loop in refrigerating circuit, and defrosting loop includes electromagnetic valve, is controlled the on or off in defrosting loop by the state controlling electromagnetic valve, thus controls whether defrosting.During defrosting, need to open electromagnetic valve, start compressor, and make condensation fan shut down, thus, at least need electromagnetic valve, compressor and condensation fan are controlled.The control logic of the control circuit of existing refrigerating plant is Synchronization Control condensation fan and press, when defrost, press is to run, condensation fan is also to run, the heat of more press can be taken away, thus impact defrost effect when low ring temperature, when causing low ring temperature, defrost is the most thorough, thus, need at the solidifying fan parking of defrost time control refrigeration, but the control circuit of existing refrigerating plant can not realize, and some refrigerating plants is provided with automatically cleaning blower fan, also need to automatically cleaning blower fan is controlled, need to develop control module special, development cost is big, progress is slow, can not quickly solve this problem.
Utility model content
The purpose of this utility model is to provide the control circuit of a kind of refrigerating plant, solves the technical problem of the control circuit defrosting effect difference of existing refrigerating plant.
For solving above-mentioned technical problem, this utility model is achieved by the following technical solutions:
The control circuit of a kind of refrigerating plant, described control circuit includes electronic thermostat, defrosting temperature sensor, the first electrical switch and the second electrical switch;Described first electrical switch and the second electrical switch all include that control portion and operating member, described operating member include input, the first outfan and the second outfan, and described input connects with the first outfan or the second outfan;The input of described first electrical switch connects with power supply, and the first outfan electrically connects with compressor;Described second electrical switch input and the first outfan electrical connection of the first electrical switch, the first outfan electrically connects with defrosting electromagnetic valve, and the second outfan electrically connects with condensation fan;Described defrosting temperature sensor detection temperature signal also transmits to electronic thermostat;The compressor control outfan output first of described electronic thermostat controls signal to the control portion of the first electrical switch, and the input and the first outfan that control described first electrical switch connect, and described input and the second outfan disconnect;The defrosting control output end output first of described electronic thermostat controls signal to the control portion of the second electrical switch, and the input and the first outfan that control described second electrical switch connect, and described input and the second outfan disconnect.
The control circuit of refrigerating plant as above, the second outfan of described first electrical switch connects automatically cleaning blower fan.
The control circuit of refrigerating plant as above, described electronic thermostat output second controls signal to the control portion of the first electrical switch, and the input and the first outfan that control described first electrical switch disconnect, and input and the second outfan connect.
The control circuit of refrigerating plant as above, described first electrical switch and the second electrical switch are relay.
Design based on above-mentioned control circuit, this utility model also proposed a kind of refrigerating plant, described refrigerating plant includes the refrigerating circuit being in turn connected to form by compressor, condenser, restricting element and vaporizer by refrigeration pipe, the outfan of described compressor is connected on the refrigeration pipe between described restricting element and described vaporizer by defrosting electromagnetic valve, and described refrigerating plant includes condensation fan and evaporation fan;Described refrigerating plant also includes that control circuit, described control circuit include electronic thermostat, defrosting temperature sensor, the first electrical switch and the second electrical switch;Described first electrical switch and the second electrical switch all include that control portion and operating member, described operating member include input, the first outfan and the second outfan, and described input connects with the first outfan or the second outfan;The input of described first electrical switch connects with power supply, and the first outfan electrically connects with compressor;Described second electrical switch input and the first outfan electrical connection of the first electrical switch, the first outfan electrically connects with defrosting electromagnetic valve, and the second outfan electrically connects with condensation fan;Described defrosting temperature sensor detection temperature signal also transmits to electronic thermostat;The compressor control outfan output first of described electronic thermostat controls signal to the control portion of the first electrical switch, and the input and the first outfan that control described first electrical switch connect, and described input and the second outfan disconnect;The defrosting control output end output first of described electronic thermostat controls signal to the control portion of the second electrical switch, and the input and the first outfan that control described second electrical switch connect, and described input and the second outfan disconnect.
Refrigerating plant as above, described refrigerating plant includes the automatically cleaning blower fan for cleaning condenser, and described automatically cleaning blower fan and condensation fan lay respectively at the both sides of condenser, and described automatically cleaning blower fan is connected with the second outfan of described first electrical switch.
Refrigerating plant as above, described electronic thermostat output second controls signal to the control portion of the first electrical switch, and the input and the first outfan that control described first electrical switch disconnect, and input and the second outfan connect.
Refrigerating plant as above, described first electrical switch and the second electrical switch are relay.
Compared with prior art, advantage of the present utility model and good effect be: the control circuit of this utility model refrigerating plant includes electronic thermostat, defrosting temperature sensor, the first electrical switch and the second electrical switch, electronic thermostat can at least realize compressor, condensation fan and the control of defrosting electromagnetic valve by the first electrical switch and the second electrical switch, realize normal work and the defrosting process of refrigerating plant, during defrosting, control compressor operating, condensation fan is out of service, can reach more preferable defrosting effect.And this utility model design on control circuit is exquisite, simple in construction, easily realizes, it is not necessary to additionally increase and develop special control parts.
After reading in conjunction with the accompanying the detailed description of this utility model embodiment, other features of the present utility model and advantage will become clearer from.
Accompanying drawing explanation
Fig. 1 is the control circuit figure of this utility model specific embodiment refrigerating plant.
Fig. 2 is the schematic diagram of this utility model specific embodiment relay.
Fig. 3 is the schematic diagram of this utility model specific embodiment refrigerating circuit.
Fig. 4 is this utility model condenser, condensation fan and the position view of automatically cleaning blower fan.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in detail.
As it is shown in figure 1, the present embodiment proposes the control circuit of a kind of refrigerating plant, including electronic thermostat, defrosting temperature sensor, the temperature inside the box sensor, the first electrical switch and the second electrical switch.Defrosting temperature sensor detection temperature signal also transmits to electronic thermostat, temperature transmitting to electronic thermostat in the temperature inside the box sensor detection box, electronic thermostat output control signal controls the running status of evaporation fan, and electronic thermostat output control signal also controls compressor, defrosting electromagnetic valve, condensation fan and the running status of automatically cleaning blower fan by the first electrical switch and the second electrical switch.
Wherein, the first electrical switch and the second electrical switch are relay, as shown in Figure 2, relay includes control portion and operating member, control portion is control coil, the first end 11(21 in control portion) and the second end 12(22) receive control signal, and the action of control action portion.Operating member includes moving contact, input 13(23), the first outfan 14(24) and the second outfan 15(25).Control portion controls moving contact action, makes the input 13(23 of operating member) and the first outfan 14(24) or the second outfan 15(25) conducting.
Concrete, the first electrical switch includes control portion and operating member.Second end 12 in control portion connects with the compressor control outfan of electronic thermostat, and for receiving control signal the action in control action portion of electronic thermostat, first end 11 in control portion connects with zero line.The input 13 of operating member connects with live wire, and input 13 is connected with the first outfan 14 or the second outfan 15 by moving contact.
Second electrical switch includes control portion and operating member, and second end 22 in control portion connects with the defrosting control output end of electronic thermostat, and for receiving control signal the action in control action portion of electronic thermostat, first end 21 in control portion connects with zero line.The input 23 of operating member connects with the first outfan 14 of the first electrical switch, and input 23 is connected with the first outfan 24 or the second outfan 25 by moving contact.
First outfan 14 of the first electrical switch electrically connects with compressor, and the second outfan 15 electrically connects with automatically cleaning blower fan.When input 13 connects with the first outfan 14 and the second outfan 15 disconnects, compressor must electrically activate, and automatically cleaning blower fan disconnects out of service with power supply;When input 13 disconnects with the first outfan 14 and to connect with the second outfan 15, compressor dead electricity is out of service, and automatically cleaning blower fan must electrically activate.
First outfan 24 of the second electrical switch electrically connects with defrosting electromagnetic valve, and the second outfan 25 electrically connects with condensation fan.When the input 13 of the first electrical switch connects with the first outfan 14 and the second outfan 15 disconnects, when the input 23 of the second electrical switch connects with the first outfan 24 and the second outfan 25 disconnects, defrosting electromagnetic valve obtains electric opening, and condensation fan disconnects out of service with power supply;When the input 23 of the second electrical switch and time the first outfan 24 disconnects and the second outfan 25 connects, defrosting electromagnetic valve dead electricity is closed, and condensation fan brings into operation with power on.When the input 13 of the first electrical switch disconnects with the first outfan 14 and to connect with the second outfan 15, the live wire input of the second electrical switch does not all have power supply to input, and defrosting electromagnetic valve dead electricity is closed, and condensation fan is out of service with power supply disconnection.
Defrosting temperature sensor detection temperature signal also transmits to electronic thermostat.When temperature signal is less than setting value, enter defrosting, the compressor control outfan output first of electronic thermostat controls signal to second end 12 in the control portion of the first electrical switch, and the input 13 controlling the first electrical switch connects with the first outfan 14, makes compressor and power on;Input 13 disconnects with the second outfan 15, and automatically cleaning blower fan disconnects with power supply.The defrosting control output end output first of electronic thermostat controls signal to second end 22 in the control portion of the second electrical switch, and the input 23 controlling the second electrical switch connects with the first outfan 24, makes defrosting power of electromagnetic valve connect, and electromagnetic valve obtains electric opening;Input 23 disconnects with the second outfan 25, makes condensation fan disconnect with power supply, and condensation fan is out of service.Now, compressor operating drives cold-producing medium to flow in refrigerating circuit and defrosting loop, it is achieved the defrosting to vaporizer.
When temperature signal is higher than setting value, exit defrosting, the compressor control outfan output first of electronic thermostat controls signal to second end 12 in the control portion of the first electrical switch, and the input 13 controlling the first electrical switch connects with the first outfan 14, makes compressor and power on;Input 13 disconnects with the second outfan 15, and automatically cleaning blower fan disconnects with power supply.The defrosting control output end output second of electronic thermostat controls signal to second end 22 in the control portion of the second electrical switch, and the input 23 controlling the second electrical switch disconnects with the first outfan 24, makes defrosting power of electromagnetic valve disconnect, and electromagnetic valve dead electricity is closed;Input 23 is connected with the second outfan 25, makes condensation fan and power on, and condensation fan brings into operation.Now, compressor operating drives cold-producing medium to flow in refrigerating circuit, it is achieved the normal refrigeration to vaporizer.
When vaporizer normally freezes, by temperature signal in the temperature inside the box sensor detection box and transmit to electronic thermostat, when temperature signal is higher than setting value, the compressor control outfan output first of electronic thermostat controls signal to second end 12 in the control portion of the first electrical switch, the input 13 controlling the first electrical switch connects with the first outfan 14, make compressor and power on, compressor start;Input 13 disconnects with the second outfan 15, and automatically cleaning blower fan disconnects with power supply.The defrosting control output end output second of electronic thermostat controls signal to second end 22 in the control portion of the second electrical switch, and the input 23 controlling the second electrical switch disconnects with the first outfan 24, makes defrosting power of electromagnetic valve disconnect, and electromagnetic valve dead electricity is closed;Input 23 is connected with the second outfan 25, makes condensation fan and power on, and condensation fan runs.When temperature signal is less than setting value; the compressor control outfan output second of electronic thermostat controls signal to second end 12 in the control portion of the first electrical switch; the input 13 controlling the first electrical switch disconnects with the first outfan 14, makes compressor disconnect with power supply, compressor shutdown;Input 13 is connected with the second outfan 15, and automatically cleaning blower fan and power on bring into operation, to be cleaned condenser.Owing to the input 13 of the first electrical switch disconnects with the first outfan 14, the second electrical switch is off with power supply, thus defrosting electromagnetic valve and condensation fan are in off-position.
Design based on above-mentioned refrigerating plant control circuit, the present embodiment also proposed a kind of refrigerating plant, refrigerating plant includes casing, the refrigerating circuit being arranged in casing, as shown in Figure 3, refrigerating circuit includes the refrigerating circuit that compressor, condenser, restricting element and vaporizer are in turn connected to form by refrigeration pipe, on the refrigeration pipe that the outfan of compressor is connected between restricting element and vaporizer by defrosting electromagnetic valve, compressor, defrosting electromagnetic valve, vaporizer are in turn connected to form defrosting loop by refrigeration pipe.Vaporizer is furnished with evaporation fan, condenser is furnished with condensation fan, and condenser is also equipped with automatically cleaning blower fan for realizing the automatically cleaning of condenser.As shown in Figure 4, the compressor of the present embodiment, condenser, condensation fan and automatically cleaning blower fan are installed in compressor bin, and condensation fan and automatically cleaning blower fan lay respectively at the both sides of condenser.Refrigerating plant also includes control circuit, and control circuit includes electronic thermostat, defrosting temperature sensor, the temperature inside the box sensor, the first electrical switch and the second electrical switch.Defrosting temperature sensor detection temperature signal also transmits to electronic thermostat, and temperature transmitting to electronic thermostat in the temperature inside the box sensor detection box, electronic thermostat output control signal controls the running status of evaporation fan;Electronic thermostat output control signal also controls compressor, defrosting electromagnetic valve, condensation fan and the running status of automatically cleaning blower fan by the first electrical switch and the second electrical switch.
Wherein, the first electrical switch and the second electrical switch are relay, as shown in Figure 2, relay includes control portion and operating member, control portion is control coil, the first end 11(21 in control portion) and the second end 12(22) receive control signal, and the action of control action portion.Operating member includes moving contact, input 13(23), the first outfan 14(24) and the second outfan 15(25).Control portion controls moving contact action, makes the input 13(23 of operating member) and the first outfan 14(24) or the second outfan 15(25) conducting.
Concrete, the first electrical switch includes control portion and operating member.The second segment 12 in control portion connects with the compressor control outfan of electronic thermostat, and for receiving control signal the action in control action portion of electronic thermostat, first end 11 in control portion connects with zero line.The input 13 of operating member connects with live wire, and input 13 is connected with the first outfan 14 or the second outfan 15 by moving contact.
Second electrical switch includes control portion and operating member, and second end 22 in control portion connects with the defrosting control output end of electronic thermostat, and for receiving control signal the action in control action portion of electronic thermostat, first end 21 in control portion connects with zero line.The input 23 of operating member connects with the first outfan 14 of the first electrical switch, and input 23 is connected with the first outfan 24 or the second outfan 25 by moving contact.
First outfan 14 of the first electrical switch electrically connects with compressor, and the second outfan 15 electrically connects with automatically cleaning blower fan.When input 13 connects with the first outfan 14 and the second outfan 15 disconnects, compressor must electrically activate, and automatically cleaning blower fan disconnects out of service with power supply;When input 13 disconnects with the first outfan 14 and to connect with the second outfan 15, compressor dead electricity is out of service, and automatically cleaning blower fan must electrically activate.
First outfan 24 of the second electrical switch electrically connects with defrosting electromagnetic valve, and the second outfan 25 electrically connects with condensation fan.When the input 13 of the first electrical switch connects with the first outfan 14 and the second outfan 15 disconnects, when the input 23 of the second electrical switch connects with the first outfan 24 and the second outfan 25 disconnects, defrosting electromagnetic valve obtains electric opening, and condensation fan disconnects out of service with power supply;When the input 23 of the second electrical switch and time the first outfan 24 disconnects and the second outfan 25 connects, defrosting electromagnetic valve dead electricity is closed, and condensation fan brings into operation with power on.When the input 13 of the first electrical switch disconnects with the first outfan 14 and to connect with the second outfan 15, the live wire input of the second electrical switch does not all have power supply to input, and defrosting electromagnetic valve dead electricity is closed, and condensation fan is out of service with power supply disconnection.
Defrosting temperature sensor detection temperature signal also transmits to electronic thermostat.When temperature signal is less than setting value, enter defrosting, the compressor control outfan output first of electronic thermostat controls signal to second end 12 in the control portion of the first electrical switch, and the input 13 controlling the first electrical switch connects with the first outfan 14, makes compressor and power on;Input 13 disconnects with the second outfan 15, and automatically cleaning blower fan disconnects with power supply.The defrosting control output end output first of electronic thermostat controls signal to second end 22 in the control portion of the second electrical switch, and the input 23 controlling the second electrical switch connects with the first outfan 24, makes defrosting power of electromagnetic valve connect, and electromagnetic valve obtains electric opening;Input 23 disconnects with the second outfan 25, makes condensation fan disconnect with power supply, and condensation fan is out of service.Now, compressor operating drives cold-producing medium to flow in refrigerating circuit and defrosting loop, it is achieved the defrosting to vaporizer.
When temperature signal is higher than setting value, exit defrosting, the compressor control outfan output first of electronic thermostat controls signal to second end 12 in the control portion of the first electrical switch, and the input 13 controlling the first electrical switch connects with the first outfan 14, makes compressor and power on;Input 13 disconnects with the second outfan 15, and automatically cleaning blower fan disconnects with power supply.The defrosting control output end output second of electronic thermostat controls signal to second end 22 in the control portion of the second electrical switch, and the input 23 controlling the second electrical switch disconnects with the first outfan 24, makes defrosting power of electromagnetic valve disconnect, and electromagnetic valve dead electricity is closed;Input 23 is connected with the second outfan 25, makes condensation fan and power on, and condensation fan brings into operation.Now, compressor operating drives cold-producing medium to flow in refrigerating circuit, it is achieved the normal refrigeration to vaporizer.
When vaporizer normally freezes, by temperature signal in the temperature inside the box sensor detection box and transmit to electronic thermostat, when temperature signal is higher than setting value, the compressor control outfan output first of electronic thermostat controls signal to second end 12 in the control portion of the first electrical switch, the input 13 controlling the first electrical switch connects with the first outfan 14, make compressor and power on, compressor start;Input 13 disconnects with the second outfan 15, and automatically cleaning blower fan disconnects with power supply.The defrosting control output end output second of electronic thermostat controls signal to second end 22 in the control portion of the second electrical switch, and the input 23 controlling the second electrical switch disconnects with the first outfan 24, makes defrosting power of electromagnetic valve disconnect, and electromagnetic valve dead electricity is closed;Input 23 is connected with the second outfan 25, makes condensation fan and power on, and condensation fan runs.When temperature signal is less than setting value; the compressor control outfan output second of electronic thermostat controls signal to second end 12 in the control portion of the first electrical switch; the input 13 controlling the first electrical switch disconnects with the first outfan 14, makes compressor disconnect with power supply, compressor shutdown;Input 13 is connected with the second outfan 15, and automatically cleaning blower fan and power on bring into operation, to be cleaned condenser.Owing to the input 13 of the first electrical switch disconnects with the first outfan 14, the second electrical switch is off with power supply, thus defrosting electromagnetic valve and condensation fan are in off-position.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit;Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent;And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of this utility model each embodiment technical scheme.

Claims (8)

1. the control circuit of a refrigerating plant, it is characterised in that described control circuit includes electronic thermostat, defrosting temperature sensor, the first electrical switch and the second electrical switch;Described first electrical switch and the second electrical switch all include that control portion and operating member, described operating member include input, the first outfan and the second outfan, and described input connects with the first outfan or the second outfan;The input of described first electrical switch connects with power supply, and the first outfan electrically connects with compressor;Described second electrical switch input and the first outfan electrical connection of the first electrical switch, the first outfan electrically connects with defrosting electromagnetic valve, and the second outfan electrically connects with condensation fan;Described defrosting temperature sensor detection temperature signal also transmits to electronic thermostat;The compressor control outfan output first of described electronic thermostat controls signal to the control portion of the first electrical switch, and the input and the first outfan that control described first electrical switch connect, and described input and the second outfan disconnect;The defrosting control output end output first of described electronic thermostat controls signal to the control portion of the second electrical switch, and the input and the first outfan that control described second electrical switch connect, and described input and the second outfan disconnect.
The control circuit of refrigerating plant the most according to claim 1, it is characterised in that the second outfan of described first electrical switch connects automatically cleaning blower fan.
The control circuit of refrigerating plant the most according to claim 2, it is characterized in that, described electronic thermostat output second controls signal to the control portion of the first electrical switch, and the input and the first outfan that control described first electrical switch disconnect, and input and the second outfan connect.
4. according to the control circuit of the refrigerating plant described in claim 1-3 any one, it is characterised in that described first electrical switch and the second electrical switch are relay.
5. a refrigerating plant, it is characterized in that, described refrigerating plant includes the refrigerating circuit being in turn connected to form by compressor, condenser, restricting element and vaporizer by refrigeration pipe, the outfan of described compressor is connected on the refrigeration pipe between described restricting element and described vaporizer by defrosting electromagnetic valve, and described refrigerating plant includes condensation fan and evaporation fan;Described refrigerating plant also includes that control circuit, described control circuit include electronic thermostat, defrosting temperature sensor, the first electrical switch and the second electrical switch;Described first electrical switch and the second electrical switch all include that control portion and operating member, described operating member include input, the first outfan and the second outfan, and described input connects with the first outfan or the second outfan;The input of described first electrical switch connects with power supply, and the first outfan electrically connects with compressor;Described second electrical switch input and the first outfan electrical connection of the first electrical switch, the first outfan electrically connects with defrosting electromagnetic valve, and the second outfan electrically connects with condensation fan;Described defrosting temperature sensor detection temperature signal also transmits to electronic thermostat;The compressor control outfan output first of described electronic thermostat controls signal to the control portion of the first electrical switch, and the input and the first outfan that control described first electrical switch connect, and described input and the second outfan disconnect;The defrosting control output end output first of described electronic thermostat controls signal to the control portion of the second electrical switch, and the input and the first outfan that control described second electrical switch connect, and described input and the second outfan disconnect.
Refrigerating plant the most according to claim 5, it is characterized in that, described refrigerating plant includes the automatically cleaning blower fan for cleaning condenser, and described automatically cleaning blower fan and condensation fan lay respectively at the both sides of condenser, and described automatically cleaning blower fan is connected with the second outfan of described first electrical switch.
Refrigerating plant the most according to claim 6, it is characterized in that, described electronic thermostat output second controls signal to the control portion of the first electrical switch, and the input and the first outfan that control described first electrical switch disconnect, and input and the second outfan connect.
8. according to the refrigerating plant described in claim 5-7 any one, it is characterised in that described first electrical switch and the second electrical switch are relay.
CN201620043310.6U 2016-01-18 2016-01-18 Refrigerating plant and control circuit thereof Active CN205481990U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109489181A (en) * 2018-11-19 2019-03-19 泰豪科技股份有限公司 A kind of control circuit and dehumidifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109489181A (en) * 2018-11-19 2019-03-19 泰豪科技股份有限公司 A kind of control circuit and dehumidifier

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