CN209707997U - A kind of temperature and humidity fining regulator control system of electrical cabinet - Google Patents
A kind of temperature and humidity fining regulator control system of electrical cabinet Download PDFInfo
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- CN209707997U CN209707997U CN201920685322.2U CN201920685322U CN209707997U CN 209707997 U CN209707997 U CN 209707997U CN 201920685322 U CN201920685322 U CN 201920685322U CN 209707997 U CN209707997 U CN 209707997U
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Abstract
The utility model relates to a kind of temperature and humidity of electrical cabinet to refine regulator control system, including Temperature Humidity Sensor, core control circuit, draught fan control circuit, relay drive circuit, metal-oxide-semiconductor control circuit, blower, heater and refrigeration module；The connection of the input terminal of Temperature Humidity Sensor and core control circuit；The output end of core control circuit is connect with the input terminal of the input terminal of draught fan control circuit, the input terminal of relay drive circuit and metal-oxide-semiconductor control circuit respectively；Blower is connected on the output end of draught fan control circuit, the feedback end of draught fan control circuit is connected on the input terminal of core control circuit；Having heaters is connected on the output end of relay drive circuit；Refrigeration module is connected on the output end of metal-oxide-semiconductor control circuit, the feedback end of metal-oxide-semiconductor control circuit is connected on the input terminal of core control circuit.The utility model may be implemented to carry out air in cabinet anti-condensation, dehumidifying, refrigeration, heat treatment, to reach the fining regulation of temperature and humidity environment in cabinet.
Description
Technical field
The utility model relates to ambient temperature and humidities to adjust control technology field, and in particular to a kind of temperature and humidity essence of electrical cabinet
Refine regulator control system.
Background technique
Electrical cabinet humiture control device be refer to the temperature, relative humidity of air in the electrical cabinet to outdoor installation,
The device that air velocity is regulated and controled.The various components of humiture control device need control circuit system to be controlled, and make each
A component can be operated according to setup parameter, but existing control circuit system, be lacked to environment fining regulation in cabinet, together
Fault message is fed back to equipment management personnel in time by Shi Wufa.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of fining controls of electrical cabinet humiture control device
Circuit processed may be implemented to environment fining regulation in cabinet.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of temperature and humidity fining regulation of electrical cabinet
System, including Temperature Humidity Sensor, core control circuit, draught fan control circuit, relay drive circuit, metal-oxide-semiconductor control circuit,
Blower, heater and refrigeration module；The Temperature Humidity Sensor is connect with the input terminal of the core control circuit；The core
The output end of control circuit respectively with the input terminal of the draught fan control circuit, the input terminal of the relay drive circuit and institute
State the input terminal connection of metal-oxide-semiconductor control circuit；The blower, the blower are connected on the output end of the draught fan control circuit
The feedback end of control circuit is connected on the input terminal of the core control circuit；On the output end of the relay drive circuit
It is connected with the heater；The refrigeration module, the metal-oxide-semiconductor control are connected on the output end of the metal-oxide-semiconductor control circuit
The feedback end of circuit is connected on the input terminal of the core control circuit.
The beneficial effects of the utility model are: a kind of temperature and humidity fining regulator control system of electrical cabinet of the utility model passes through
Environment temperature in detecting box, and under the whole control of core control circuit, the operating of blower is controlled by draught fan control circuit,
Heater heating is controlled by relay drive circuit, refrigeration module work is controlled by metal-oxide-semiconductor control circuit, is realized in cabinet
Air carries out anti-condensation, dehumidifying, refrigeration, heat treatment, to reach the fining regulation of temperature and humidity environment in cabinet.
Based on the above technical solution, the utility model can also do following improvement.
Further, the Temperature Humidity Sensor includes that the first Temperature Humidity Sensor being arranged in electrical cabinet and second are warm and humid
Spend sensor, first Temperature Humidity Sensor and second Temperature Humidity Sensor respectively with the core control circuit
Input terminal connection；
The Temperature Humidity Sensor further includes the third Temperature Humidity Sensor being arranged in outside electrical cabinet, the third temperature and humidity
Sensor is connect with the input terminal of the core control circuit.
Beneficial effect using above-mentioned further scheme is: the first Temperature Humidity Sensor and the second Temperature Humidity Sensor are matched
It closes, the mean temperature in electrical cabinet is taken, to obtain more accurate data of the Temperature and Humidity module；By environmental data in electrical cabinet and electrically
Cabinet external environment data compare, and can show equipment under extreme environment (such as high temperature, high humidity, low temperature) after electrical cabinet installation
Superiority effect.
Further, the blower includes the first inner blower, the second inner blower, third inner blower and the 4th inner blower；It is described
Draught fan control circuit includes blower master control sub-circuit, First Speed control drive sub-circuits and velocity feedback sub-circuit；The wind
The input terminal that owner controls sub-circuit is connect with the output end of the core control circuit；
The input terminal of the First Speed control drive sub-circuits is connect with the output end of the blower master control sub-circuit, institute
State speed control driving end, the speed control driving end of second inner blower, the third inner blower of the first inner blower
Speed control driving end and the speed control driving end of the 4th inner blower are connected to the First Speed control and drive
On the output end of mover circuit；
The velocity feedback end of first inner blower, the velocity feedback end of second inner blower, the third inner blower
Velocity feedback end and the velocity feedback end of the 4th inner blower be connected to the input of the velocity feedback sub-circuit
On end, the output end of the velocity feedback sub-circuit is connect with the input terminal of the core control circuit.
Beneficial effect using above-mentioned further scheme is: the blower of the utility model has fan speed feedback function,
The regulation more refined may be implemented.
Further, the heater includes primary heater, secondary heater, third heater and the 4th heater；Institute
The input terminal for stating relay drive circuit is connect with the output end of the core control circuit, the relay drive circuit it is defeated
Outlet by relay switching circuit respectively with the driving end, the driving end of the secondary heater, institute of the primary heater
The driving end for stating third heater is connected with the driving end of the 4th heater.
Beneficial effect using above-mentioned further scheme is: relay drive circuit must assure that combined floodgate is reliable, disconnect fast
Speed, and the impulse disturbances SCM system for frequently switching on and disconnecting generation of relay in order to prevent, the utility model relaying
Electrical apparatus driving circuit is using full isolation circuit.
Further, the refrigeration module includes the first refrigeration module, the second refrigeration module, third refrigeration module and the 4th system
Cold module, the metal-oxide-semiconductor control circuit include metal-oxide-semiconductor control drive sub-circuits and refrigeration module feedback sub-circuit；
The input terminal of metal-oxide-semiconductor control drive sub-circuits is connect with the output end of the core control circuit, and described the
The control at the control driving end, control the driving end, the third refrigeration module of second refrigeration module of one refrigeration module is driven
Moved end and the control driving end of the 4th refrigeration module are connected to the output end of the metal-oxide-semiconductor control drive sub-circuits
On；
The feedback end of first refrigeration module, the feedback end of second refrigeration module, the third refrigeration module
The feedback end of feedback end and the 4th refrigeration module is connected on the input terminal of the refrigeration module feedback sub-circuit,
The output end of the refrigeration module feedback sub-circuit is connect with the input terminal of the core control circuit.
Further, first refrigeration module, second refrigeration module, the third refrigeration module and the 4th system
An outer blower is equipped in cold module respectively, outside the respectively first outer blower, the second outer blower, third outside blower and the 4th
Blower, the draught fan control circuit further include second speed control drive sub-circuits；
The input terminal of the second speed control drive sub-circuits is connect with the output end of the blower master control sub-circuit, institute
The speed control at the speed control driving end, the second outer blower of stating the first outer blower drives the outer blower in end, the third
Speed control driving end and the speed control driving end of the 4th outer blower are connected to the second speed control and drive
On the output end of mover circuit；
The velocity feedback end of the first outer blower, the velocity feedback end of the second outer blower, the outer blower of the third
Velocity feedback end and the velocity feedback end of the 4th outer blower be connected to the input of the velocity feedback sub-circuit
On end.
Beneficial effect using above-mentioned further scheme is: the setting of outer blower can carry out at heat dissipation refrigeration module
Reason, guarantees that it can work normally.
It further, further include power circuit, the power circuit is used to for alternating current being separately converted to the direct current of 12V and 5V
Electricity, and the direct current of 12V is provided for the core control circuit, the relay drive circuit and the metal-oxide-semiconductor control circuit
Pressure, provides the DC voltage of 5V for the draught fan control circuit；
It further include being used with the mutually independent external switch power circuit of the power circuit, the external switch power circuit
The DC voltage of 48V is provided in the direct current for converting alternating current to 48V, and for the refrigeration module and the blower.
Further, the external switch power circuit includes 48V control sub-circuit and 48V feedback sub-circuit；
The input terminal of 48V control sub-circuit is connected on alternating current, the output end of the 48V control sub-circuit respectively with
The power end of the refrigeration module is connected with the power end of the blower；
The output end of the 48V control sub-circuit is also connect with the input terminal of the 48V feedback sub-circuit, and the 48V is anti-
The output end of feedback sub-circuit is connected on the input terminal of the core control circuit.
It further, further include telecommunication circuit, the telecommunication circuit includes RS485 telecommunication circuit, GPRS telecommunication circuit and mould
Analog quantity signal communication circuit, the RS485 telecommunication circuit, the GPRS telecommunication circuit and the analog signals telecommunication circuit are equal
It is communicated to connect respectively with the core control circuit；
LED alarm lamp and LED running indicator are also connected on the output end of the core control circuit；
Display circuit is also connected on the output end of the core control circuit, the core control circuit passes through described aobvious
Show that circuit is connect with exterior display screen.
Beneficial effect using above-mentioned further scheme is: 485 telecommunication circuits, GPRS telecommunication circuit and analog signals are logical
Letter circuit can in time timely feedback ambient conditions in cabinet and equipment operation condition information to equipment management personnel, facilitate pipe
Reason.
It further, further include fault feedback circuit,
The fault feedback circuit includes that the faulty feedback sub-circuit of controller, system have electric leakage feedback sub-circuit and control
Device power supply Normal Feedback sub-circuit；
The input terminal of the faulty feedback sub-circuit of controller is connected with the core control circuit, and the controller has
The output end of failure feedback sub-circuit is reserved with the interface of external caution device；
The system has the input terminal of electric leakage feedback sub-circuit to be connected with the core control circuit, and the system has electric leakage
The output end of feedback sub-circuit is reserved with the interface of external caution device；
The input terminal of the controller power source Normal Feedback sub-circuit connects the power circuit, and the controller power source is just
The output end of normal feedback sub-circuit is reserved with the interface of external caution device.
Using the beneficial effect of above-mentioned further scheme is: barrier feed circuit can be leaked electricity with feedback controller failure, system
With the operating condition of controller power source, operation maintenance personnel is facilitated to overhaul.
Detailed description of the invention
Fig. 1 is that a kind of temperature and humidity of electrical cabinet of the utility model refines the schematic diagram of regulator control system；
Fig. 2 is the local circuit structure chart of core control circuit；
Fig. 3 is the local circuit structure chart of core control circuit；
Fig. 4 is the circuit structure diagram of blower master control sub-circuit；
Fig. 5-1 is the circuit structure diagram that First Speed controls drive sub-circuits；
Fig. 5-2 is the circuit structure diagram that second speed controls drive sub-circuits；
Fig. 6 is the circuit structure diagram of velocity feedback sub-circuit；
Fig. 7 is the circuit structure diagram of relay drive circuit；
Fig. 8 is the circuit structure diagram that metal-oxide-semiconductor controls drive sub-circuits；
Fig. 9 is the circuit structure diagram of refrigeration module feedback sub-circuit；
Figure 10 is the circuit structure diagram of power circuit；
Figure 11 is the structure chart of external switch power supply input circuit；
Figure 12-1 is the circuit structure diagram that exterior display screen is connect with display circuit；
Figure 12-2 is the circuit structure diagram that display circuit is connect with core control circuit；
Figure 13 is the electrical block diagram of telecommunication circuit；
Figure 14 is the electrical block diagram of fault feedback circuit.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1, a kind of temperature and humidity of electrical cabinet refines regulator control system, including the control of Temperature Humidity Sensor, core
Circuit, draught fan control circuit, relay drive circuit, metal-oxide-semiconductor control circuit, blower, heater and refrigeration module；It is described warm and humid
Degree sensor is connect with the input terminal of the core control circuit；The output end of the core control circuit respectively with the blower
The input terminal of control circuit, the relay drive circuit input terminal connected with the input terminal of the metal-oxide-semiconductor control circuit；Institute
It states and is connected with the blower on the output end of draught fan control circuit, the feedback end of the draught fan control circuit is connected to the core
On the input terminal of control circuit；The heater is connected on the output end of the relay drive circuit；The metal-oxide-semiconductor control
The refrigeration module is connected on the output end of circuit, the feedback end of the metal-oxide-semiconductor control circuit is connected to the core control
On the input terminal of circuit.
In this embodiment, the Temperature Humidity Sensor includes the first Temperature Humidity Sensor being arranged in electrical cabinet
With the second Temperature Humidity Sensor, first Temperature Humidity Sensor and second Temperature Humidity Sensor respectively with the core
The input terminal of control circuit connects；The Temperature Humidity Sensor further includes the third Temperature Humidity Sensor being arranged in outside electrical cabinet,
The third Temperature Humidity Sensor is connect with the input terminal of the core control circuit.
The data of the Temperature and Humidity module of available first Temperature Humidity Sensor of core control circuit and second temperature
The data of the Temperature and Humidity module of humidity sensor, and data of the Temperature and Humidity module and second temperature and humidity biography to first Temperature Humidity Sensor
The data of the Temperature and Humidity module of sensor is handled, and obtains average data of the Temperature and Humidity module, and generate blower according to the average data of the Temperature and Humidity module
Control instruction or/and heater control instruction or/and refrigeration module control instruction, the core control circuit can also obtain institute
State the data of the Temperature and Humidity module of third Temperature Humidity Sensor, and by the data of the Temperature and Humidity module of the third Temperature Humidity Sensor with it is described average
Data of the Temperature and Humidity module compares, and obtains the performance of electrical cabinet in extreme circumstances.
Herein it should be noted that: core control circuit obtains data of the Temperature and Humidity module, and data of the Temperature and Humidity module is averaging processing
It is the state of the art with comparison processing, is not related to the improvement to computer program.
First Temperature Humidity Sensor and the cooperation of the second Temperature Humidity Sensor, take the mean temperature in electrical cabinet, to obtain
More accurate data of the Temperature and Humidity module；Environmental data in electrical cabinet and electrical cabinet external environment data are compared, display equipment exists
Superiority effect under extreme environment (such as high temperature, high humidity, low temperature) after electrical cabinet installation.
In this embodiment, the circuit structure of the core control circuit is as shown in Figures 2 and 3, Fig. 2 and Fig. 3 group
At the core control circuit figure.
In this embodiment, the blower is including in the first inner blower, the second inner blower, third inner blower and the 4th
Blower；The draught fan control circuit includes blower master control sub-circuit, First Speed control drive sub-circuits and velocity feedback electricity
Road；The input terminal of the blower master control sub-circuit is connect with the output end of the core control circuit；
The input terminal of the First Speed control drive sub-circuits is connect with the output end of the blower master control sub-circuit, institute
State speed control driving end, the speed control driving end of second inner blower, the third inner blower of the first inner blower
Speed control driving end and the speed control driving end of the 4th inner blower are connected to the First Speed control and drive
On the output end of mover circuit；
The velocity feedback end of first inner blower, the velocity feedback end of second inner blower, the third inner blower
Velocity feedback end and the velocity feedback end of the 4th inner blower be connected to the input of the velocity feedback sub-circuit
On end, the output end of the velocity feedback sub-circuit is connect with the input terminal of the core control circuit.
In this embodiment, the circuit structure of the blower master control sub-circuit is as shown in figure 4, the First Speed control
As shown in fig. 5-1, the circuit structure of the velocity feedback sub-circuit is as shown in Figure 6 for the circuit structure of drive sub-circuits processed.
In this embodiment, the heater includes primary heater, secondary heater, third heater and the 4th
Heater；The input terminal of the relay drive circuit is connect with the output end of the core control circuit, and the relay drives
The output end of dynamic circuit by relay switching circuit respectively with the driving end of the primary heater, the secondary heater
The driving end of end, the third heater is driven to connect with the driving end of the 4th heater.
In this embodiment, the circuit structure of the relay drive circuit is as shown in Figure 7.
In this embodiment, the refrigeration module (can specifically select semiconductor refrigerating module) includes the first refrigeration
Module, the second refrigeration module, third refrigeration module and the 4th refrigeration module, the metal-oxide-semiconductor control circuit include that metal-oxide-semiconductor control is driven
Mover circuit and refrigeration module feedback sub-circuit；
The input terminal of metal-oxide-semiconductor control drive sub-circuits is connect with the output end of the core control circuit, and described the
The control at the control driving end, control the driving end, the third refrigeration module of second refrigeration module of one refrigeration module is driven
Moved end and the control driving end of the 4th refrigeration module are connected to the output end of the metal-oxide-semiconductor control drive sub-circuits
On；
The feedback end of first refrigeration module, the feedback end of second refrigeration module, the third refrigeration module
The feedback end of feedback end and the 4th refrigeration module is connected on the input terminal of the refrigeration module feedback sub-circuit,
The output end of the refrigeration module feedback sub-circuit is connect with the input terminal of the core control circuit.
In this embodiment, the circuit structure of the metal-oxide-semiconductor control drive sub-circuits is as shown in figure 8, the refrigeration
The circuit structure of module feedback sub-circuit is as shown in Figure 9.
In this embodiment, first refrigeration module, second refrigeration module, the third refrigeration module and
An outer blower, the respectively first outer blower, the second outer blower, third exogenous wind are equipped on 4th refrigeration module respectively
Machine and the 4th outer blower, the draught fan control circuit further include second speed control drive sub-circuits；
The input terminal of the second speed control drive sub-circuits is connect with the output end of the blower master control sub-circuit, institute
The speed control at the speed control driving end, the second outer blower of stating the first outer blower drives the outer blower in end, the third
Speed control driving end and the speed control driving end of the 4th outer blower are connected to the second speed control and drive
On the output end of mover circuit；
The velocity feedback end of the first outer blower, the velocity feedback end of the second outer blower, the outer blower of the third
Velocity feedback end and the velocity feedback end of the 4th outer blower be connected to the input of the velocity feedback sub-circuit
On end.
In this embodiment, the circuit structure of the second speed control drive sub-circuits is as shown in Fig. 5-2.
In this embodiment, the utility model further includes power circuit, and the power circuit is for distinguishing alternating current
It is converted into the direct current of 12V and 5V, and is the core control circuit, the relay drive circuit and metal-oxide-semiconductor control
Circuit provides the DC voltage of 12V, provides the DC voltage of 5V for the draught fan control circuit；
In this embodiment, the circuit structure of the power circuit is as shown in Figure 10.
In this embodiment, the utility model further includes and the mutually independent external switch power supply of the power circuit
Circuit, the external switch power circuit are used to convert alternating current to the direct current of 48V, and are the refrigeration module and the wind
The DC voltage of machine offer 48V.
The external switch power circuit includes 48V control sub-circuit and 48V feedback sub-circuit；
The input terminal of 48V control sub-circuit is connected on alternating current, the output end of the 48V control sub-circuit respectively with
The power end of the refrigeration module is connected with the power end of the blower；
The output end of the 48V control sub-circuit is also connect with the input terminal of the 48V feedback sub-circuit, and the 48V is anti-
The output end of feedback sub-circuit is connected on the input terminal of the core control circuit.
In this embodiment, the external switch power circuit passes through external switch power supply input circuit and the system
Cold module, the blower are connected with the core control circuit, and the circuit structure of the external switch power supply input circuit is as schemed
Shown in 11.
In this embodiment, the utility model further includes telecommunication circuit, and the telecommunication circuit includes RS485 communication electricity
Road, GPRS telecommunication circuit and analog signals telecommunication circuit, the RS485 telecommunication circuit, the GPRS telecommunication circuit and described
Analog signals telecommunication circuit is communicated to connect with the core control circuit respectively；RS485 communication in the telecommunication circuit
Circuit and GPRS telecommunication circuit are as shown in figure 13；
LED alarm lamp and LED running indicator are also connected on the output end of the core control circuit；
Display circuit is also connected on the output end of the core control circuit, the core control circuit passes through described aobvious
Show that circuit is connect with exterior display screen；Wherein, the circuit structure that exterior display screen is connect with display circuit is shown as shown in Figure 12-1
Show circuit structure that circuit is connect with core control circuit as shown in fig. 12-2.
In this embodiment, the utility model further includes fault feedback circuit, and the fault feedback circuit includes control
The faulty feedback sub-circuit of device processed, system have electric leakage feedback sub-circuit and controller power source Normal Feedback sub-circuit；The control
The input terminal of the faulty feedback sub-circuit of device is connected with the core control circuit, the faulty feedback sub-circuit of controller
Output end is reserved with the interface of external caution device；The system has the input terminal of electric leakage feedback sub-circuit and the core to control
Circuit is connected, the interface that the system has the output end of electric leakage feedback sub-circuit to be reserved with external caution device；The controller
The input terminal of power supply Normal Feedback sub-circuit connects the power circuit, the output of the controller power source Normal Feedback sub-circuit
End is reserved with the interface of external caution device.The circuit structure of the fault feedback circuit is as shown in figure 14, when controller has event
When barrier or system have electric leakage or controller power source to break down, maintenance personal's maintenance can be reminded to the feedback that is out of order.
A kind of temperature and humidity fining regulator control system of electrical cabinet of the utility model passes through environment temperature in detecting box, and in core
Under the whole control of heart control circuit, the operating of blower is controlled by draught fan control circuit, is controlled by relay drive circuit
Heater heating controls refrigeration module work by metal-oxide-semiconductor control circuit, realizes and carry out anti-condensation, dehumidifying, system to air in cabinet
Cold, heat treatment, to reach the fining regulation of temperature and humidity environment in cabinet.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of temperature and humidity of electrical cabinet refines regulator control system, it is characterised in that: including Temperature Humidity Sensor, core control electricity
Road, draught fan control circuit, relay drive circuit, metal-oxide-semiconductor control circuit, blower, heater and refrigeration module；The temperature and humidity
Sensor is connect with the input terminal of the core control circuit；The output end of the core control circuit respectively with the blower control
The input terminal of circuit processed, the relay drive circuit input terminal connected with the input terminal of the metal-oxide-semiconductor control circuit；It is described
The blower is connected on the output end of draught fan control circuit, the feedback end of the draught fan control circuit is connected to the core control
On the input terminal of circuit processed；The heater is connected on the output end of the relay drive circuit；The metal-oxide-semiconductor control electricity
The refrigeration module is connected on the output end on road, the feedback end of the metal-oxide-semiconductor control circuit is connected to the core control electricity
On the input terminal on road.
2. a kind of temperature and humidity of electrical cabinet according to claim 1 refines regulator control system, it is characterised in that: described warm and humid
Spending sensor includes the first Temperature Humidity Sensor and the second Temperature Humidity Sensor being arranged in electrical cabinet, first temperature and humidity
Sensor and second Temperature Humidity Sensor are connect with the input terminal of the core control circuit respectively；
The Temperature Humidity Sensor further includes the third Temperature Humidity Sensor being arranged in outside electrical cabinet, the third temperature and humidity sensing
Device is connect with the input terminal of the core control circuit.
3. a kind of temperature and humidity of electrical cabinet according to claim 1 or 2 refines regulator control system, it is characterised in that: described
Blower includes the first inner blower, the second inner blower, third inner blower and the 4th inner blower；The draught fan control circuit includes blower
Master control sub-circuit, First Speed control drive sub-circuits and velocity feedback sub-circuit；The input terminal of the blower master control sub-circuit
It is connect with the output end of the core control circuit；
The input terminal of First Speed control drive sub-circuits is connect with the output end of the blower master control sub-circuit, and described the
The speed control driving end of one inner blower, the speed control of second inner blower drive the speed at end, the third inner blower
Control driving end and the speed control driving end of the 4th inner blower are connected to First Speed control driving
On the output end of circuit；
The velocity feedback end of first inner blower, the velocity feedback end of second inner blower, the third inner blower speed
The velocity feedback end of degree feedback end and the 4th inner blower is connected on the input terminal of the velocity feedback sub-circuit,
The output end of the velocity feedback sub-circuit is connect with the input terminal of the core control circuit.
4. a kind of temperature and humidity of electrical cabinet according to claim 1 or 2 refines regulator control system, it is characterised in that: described
Heater includes primary heater, secondary heater, third heater and the 4th heater；The relay drive circuit it is defeated
Enter end to connect with the output end of the core control circuit, the output end of the relay drive circuit passes through relay switch electricity
Road respectively with the primary heater driving end, the secondary heater driving end, the third heater driving end
It is connected with the driving end of the 4th heater.
5. a kind of temperature and humidity of electrical cabinet according to claim 3 refines regulator control system, it is characterised in that: the refrigeration
Module includes the first refrigeration module, the second refrigeration module, third refrigeration module and the 4th refrigeration module, the metal-oxide-semiconductor control electricity
Road includes metal-oxide-semiconductor control drive sub-circuits and refrigeration module feedback sub-circuit；
The input terminal of the metal-oxide-semiconductor control drive sub-circuits is connect with the output end of the core control circuit, first system
The control at the control driving end, control the driving end, the third refrigeration module of second refrigeration module of cold module drives end
It is connected on the output end of the metal-oxide-semiconductor control drive sub-circuits with the control driving end of the 4th refrigeration module；
The feedback of the feedback end of first refrigeration module, the feedback end of second refrigeration module, the third refrigeration module
The feedback end of end and the 4th refrigeration module is connected on the input terminal of the refrigeration module feedback sub-circuit, described
The output end of refrigeration module feedback sub-circuit is connect with the input terminal of the core control circuit.
6. a kind of temperature and humidity of electrical cabinet according to claim 5 refines regulator control system, it is characterised in that: described first
It is equipped one respectively on refrigeration module, second refrigeration module, the third refrigeration module and the 4th refrigeration module
A outer blower, the outer blower of the respectively first outer blower, the second outer blower, third and the 4th outer blower, the draught fan control circuit
It further include second speed control drive sub-circuits；
The input terminal of second speed control drive sub-circuits is connect with the output end of the blower master control sub-circuit, and described the
The speed control driving end of one outer blower, the speed control of the second outer blower drive the speed of the outer blower in end, the third
Control driving end and the speed control driving end of the 4th outer blower are connected to second speed control driving
On the output end of circuit；
The velocity feedback end of the first outer blower, the velocity feedback end of the second outer blower, the outer blower of the third speed
The velocity feedback end of degree feedback end and the 4th outer blower is connected on the input terminal of the velocity feedback sub-circuit.
7. a kind of temperature and humidity of electrical cabinet according to claim 4 refines regulator control system, it is characterised in that: further include electricity
Source circuit, the power circuit are used to for alternating current being separately converted to the direct current of 12V and 5V, and for the core control circuit,
The relay switching circuit and the metal-oxide-semiconductor control circuit provide the DC voltage of 12V, provide for the draught fan control circuit
The DC voltage of 5V；
It further include being used to incite somebody to action with the mutually independent external switch power circuit of the power circuit, the external switch power circuit
Alternating current is converted into the direct current of 48V, and provides the DC voltage of 48V for the refrigeration module and the blower；
The alternating current is also used to provide the alternating current of 220V for the heater.
8. a kind of temperature and humidity of electrical cabinet according to claim 7 refines regulator control system, it is characterised in that: the outside
Switching power circuit includes 48V control sub-circuit and 48V feedback sub-circuit；
The input terminal of 48V control sub-circuit is connected on alternating current, the output end of the 48V control sub-circuit respectively with it is described
The power end of refrigeration module is connected with the power end of the blower；
The output end of the 48V control sub-circuit is also connect with the input terminal of the 48V feedback sub-circuit, 48V feedback
The output end of circuit is connected on the input terminal of the core control circuit.
9. a kind of temperature and humidity of electrical cabinet according to claim 1 or 2 refines regulator control system, it is characterised in that: also wrap
Telecommunication circuit is included, the telecommunication circuit includes RS485 telecommunication circuit, GPRS telecommunication circuit and analog signals telecommunication circuit, institute
RS485 telecommunication circuit, the GPRS telecommunication circuit and the analog signals telecommunication circuit is stated to control with the core respectively
Circuit communication connection；
LED alarm lamp and LED running indicator are also connected on the output end of the core control circuit；
Display circuit is also connected on the output end of the core control circuit, the core control circuit passes through the display electricity
Road is connect with exterior display screen.
10. a kind of temperature and humidity of electrical cabinet according to claim 7 or 8 refines regulator control system, it is characterised in that: also wrap
Fault feedback circuit is included,
The fault feedback circuit includes that the faulty feedback sub-circuit of controller, system have electric leakage feedback sub-circuit and controller electricity
Source Normal Feedback sub-circuit；
The input terminal of the faulty feedback sub-circuit of controller is connected with the core control circuit, and the controller is faulty
The output end of feedback sub-circuit is reserved with the interface of external caution device；
The system has the input terminal of electric leakage feedback sub-circuit to be connected with the core control circuit, and the system has electric leakage to feed back
The output end of sub-circuit is reserved with the interface of external caution device；
The input terminal of the controller power source Normal Feedback sub-circuit connects the power circuit, and the controller power source is normally anti-
The output end of feedback sub-circuit is reserved with the interface of external caution device.
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| CN201920685322.2U CN209707997U (en) | 2019-05-14 | 2019-05-14 | A kind of temperature and humidity fining regulator control system of electrical cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462827A (en) * | 2020-10-27 | 2021-03-09 | 国网山东省电力公司临沂供电公司 | Integrated monitoring and treatment method and system for environment of control cubicle |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462827A (en) * | 2020-10-27 | 2021-03-09 | 国网山东省电力公司临沂供电公司 | Integrated monitoring and treatment method and system for environment of control cubicle |
| CN112462827B (en) * | 2020-10-27 | 2022-05-17 | 国网山东省电力公司临沂供电公司 | Integrated monitoring and treatment method and system for environment of control cubicle |
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