CN2779462Y - Electrical&Instrument integrated electrical appliance control box - Google Patents
Electrical&Instrument integrated electrical appliance control box Download PDFInfo
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- CN2779462Y CN2779462Y CN 200520069596 CN200520069596U CN2779462Y CN 2779462 Y CN2779462 Y CN 2779462Y CN 200520069596 CN200520069596 CN 200520069596 CN 200520069596 U CN200520069596 U CN 200520069596U CN 2779462 Y CN2779462 Y CN 2779462Y
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- control
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- weak electricity
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Abstract
The utility model relates to a strong and weak electricity integrated electrical appliance control box, which is composed of a programmable controller or a weak electricity control device of a DDC controller and comprises a relay switch, an analogue magnifying output circuit or digital quantity output strong electric control. The relay switch, the analogue magnifying output circuit or digital quantity output strong electric control and programmable controller or the weak electricity control device composed of the DDC controller are integrated in a box body, the programmable controller or the output end of the DDC controller are directly connected with a loop of a strong electric control circuit, an I/O interface circuit among weak electric control comprises input and output interfaces for analogue quantity and switching quantity, an A/D changeover circuit and a control loop of an output connection electric machine, and the control loop is controlled by weak electricity. The utility model has the advantages that design is simple, electrical appliance designers can select and use the utility model directly without designing a secondary circuit diagram, construction is convenient, periods are short, only one communication cable is increased compared with the original local control and construction cost is low.
Description
One, technical field
The utility model relates to building artificial environment electric appliance control box and protection works (civil air defense constructions and installations and defence engineering) " ventilate three anti-" (anti-chemical toxic agent, biological poison and nuclear activity dust and shock wave thereof) with control box (also comprising electrical equipment control).Specifically, be at the custom-designed special type three anti-control devices that integrate forceful electric power and light current of protection works.
Two, background technology
Protection works need the personnel in the engineering are carried out collective protection in war, prevent that gas, biological poison and nuclear activity dust and shock wave thereof from entering engineering inside by the advancing of engineering, exhaust system, the personnel in the engineering and equipment thereof are caused kill and wound and destroy.Therefore, a plurality of torch of installing in need the ventilating system to engineering are moving airtight, air intake machine, exhaust blower are controlled, and can require according to the war skill of engineering to open and close rapidly to guarantee these equipment.Way in the past all is on the basis of original heavy-current control case, with light current controller (combination of Programmable Logic Controller, DDC controller and computer measurement and control module) it is controlled, communicate by letter with the light current controller by computing machine then, above-mentioned safeguard is carried out centralized control and management, as shown in Figure 1.
And for example the interface module that provides of Chinese patent application 00104004 and 00104003 allows the running parameter of the predetermined number of the motor that user's remote control setting drives by Electric Machine Control.Interface module comprises the microcontroller with a plurality of coupled input equipments.Each input equipment provides control signal for microcontroller, and correspondingly, microcontroller produces command signal in view of the above.Communication link sends to Electric Machine Control with command signal by microcontroller by network.
In a word, existing strong and weak electricity electric appliance control box, comprise that the three anti-control boxs that ventilate all are that strong and weak electricity separates, as shown in Figure 1.
The deficiency of existing this method and device have following some: 1. Electrical Appliances Designing trouble.The heavy-current control case not only will be controlled the moving sealed valve of corresponding blower fan, torch etc. on the spot by relay, also must consider and the interface of light current control box, the Electrical Appliances Designing personnel corresponding secondary line figure that draws, and must and light current designer cooperation.2. long construction period, difficulty are big.Have many wiring between light current control box and the heavy-current control cabinet, need field wiring, wiring and debugging, difficulty of construction is big.3. construction costs height.Owing to need two control boxs and site operation to cooperate, and need site operation wiring, wiring and debugging, its construction debugging cost and consumptive material are all bigger, so the construction costs height.4. difficult in maintenance.Because relate to strong, weak electricity two tame producers, and the design of secondary line can have multiple scheme, and nonstandard, and it is big to keep in repair common difficulty, and is easy to generate dispute.
Therefore proposing a kind of electric appliance control box of strong and weak electricity integrative-structure, the especially three anti-control boxs that ventilate here can overcome the above problems well.
Three, summary of the invention
1, goal of the invention
The purpose of this utility model is: a kind of building artificial environment electric appliance control box and protection works " ventilation three is anti-" electric appliance control box is provided, heavy-current control part and intelligent control part are integrated, control function is stronger, the scope of application is wider, design and produce more convenient control device, can satisfy the cabinet (case) of protection works " ventilation three is anti-" device control, it can satisfy protection works three anti-computer control and the management of ventilating, and has the function of the identical on-site manual of the control box that separates with existing strong and weak electricity, the automatically on-the-spot and remote control management.
2, summary of the invention
The purpose of this utility model is achieved in that the electric appliance control box of strong and weak electricity one, above-mentioned electric appliance control box " ventilation three is anti-" Based Intelligent Control cabinet (case) series, comprise three anti-air intake switch boards, three anti-air draft switch boards, power station Ventilation Control cabinet, three anti-air intake cabinets and three anti-laboratory hoods etc. can be united two into one as required sometimes.These switch boards (case) major control engineering ventilation three anti-equipment (comprising air intake machine, exhaust blower, the moving sealed valve of torch etc.), and have on-site manual, automatically on-the-spot and remote auto control mode.The electric appliance control box of strong and weak electricity one is made of the light current control device of Programmable Logic Controller or DDC controller, comprise relay switch, heavy-current control by simulation amplification output circuit or digital quantity output, switch with relay, the light current control device that the heavy-current control of simulation amplification output circuit or digital quantity output and Programmable Logic Controller or DDC controller constitute is integrated in the casing, directly provide the strong electrical control circuit loop by Programmable Logic Controller or DDC controller output end, I/O interface circuit between the light current control comprises the input of analog quantity and switching value, output interface, the A/D change-over circuit, its output connects the control loop of motor.
The sensor circuit of the machine-tool that in addition can be provided with blower motor or be controlled connects the I/O interface circuit, with blower fan, drive valve motor etc. and import signal into Programmable Logic Controller by sensor, motor service data parameter is monitored.
Forceful electric power and light current are combined in the switch board (case).
Described " ventilation three is anti-" Based Intelligent Control cabinet (case), wherein light current is Programmable Logic Controller or DDC controller, communicates by letter with host computer by communication interface or communication module, becomes the slave computer of distributed director.
Described " ventilation three is anti-" Based Intelligent Control cabinet (case) has three kinds of mode of operations: on-site manual, automatically on-the-spot and remote auto.Under the manual mode, start and stop and the moving sealed valve of torch that can directly control the air intake machine anti-relevant with three, exhaust blower open and close at the scene; Under the automatic mode,, can make up the operation of control all devices at the scene, reach three anti-purposes by on-the-spot button.Remote auto promptly on supervisory computer, reaches and the same purpose of on-the-spot charge.Comprise in the strong electrical control circuit that keying, paraphase control circuit, time-delay or the heating of relay disconnect, control the analog quantity or the digital quantity output circuit of motor speed or valve opening, constitute topworks.
The utility model can also be considered two kinds of controlling schemes with the switch board of strong and weak electricity one according to the degree of protection requirement of engineering, selects for the user:
The structure of (1) two kind of method and device parallel control
In this switch board, two cover control system are arranged, a cover adopts traditional on-off control system, a cover to adopt the control system by Controlled by Programmable Controller.Two cover systems all can work independently, and are independent of each other and can be used as simultaneously guarantee after control system breaks down separately again, realize translation function by the hand automatic change over.On switch was set in " manually control ", relay control was worked, and can control the operation of three anti-equipment at the scene.On switch was set in " automatically control ", Programmable Logic Controller worked, and can realize centralized control at the scene with on the supervisory computer.As shown in Figure 2.
When adopting the control system of Controlled by Programmable Controller, all be connected the digital signal input end of signal wire often opening of relay control to Programmable Logic Controller with the normally closed contact gauge tap, thereby realize both exchanges, even traditional on-off control system still can be by manual Control work when Programmable Logic Controller loses efficacy.
(2) Controlled by Programmable Controller
In this switch board, cancellation relay logic control system, its logic control function all realizes soft logic control by the program of Programmable Logic Controller, Programmable Logic Controller can directly be controlled the start and stop of three anti-ventilation equipment and detect its state.Compare the size that can significantly reduce switch board with first kind of scheme.As shown in Figure 3.
3, beneficial effect
Compare with the method and apparatus of existing light current case control heavy current cabinet, this device has the following advantages: 1. simplicity of design, and the Electrical Appliances Designing personnel can directly select for use, needn't design secondary line figure; 2. easy construction, cycle are short, have only Duoed a telecommunication cable than original control on the spot, and have occupied little space; 3. construction costs is low, and construction wiring, debugging and cooperation expense are low; 4. be convenient to safeguard and maintenance that because strong and weak electricity is in factory normalization production, maintenance side has only a family.Typical case of the present utility model uses and is: three anti-draft type converting systems, ventilation and air conditioning system.
The heavy-current control of relay switch, simulation amplification output circuit or digital quantity output and the light current control that control chip constitutes are integrated in the casing, the utility model only need provide capacity motor and Intellectualized monitoring requirement can constitute pervasive intelligent motor control device, make designer's design, manufacturer production and user use very convenient.
Description of drawings
Fig. 1 is the existing three anti-control block diagrams that ventilate
Fig. 2 is control of the utility model relay and the parallel schematic diagram that uses of control able to programme
Fig. 3 is the schematic diagram of the utility model Controlled by Programmable Controller
Fig. 4 is the theory diagram of the utility model controller control
Fig. 5 is the utility model control box control multichannel air intake machine and the moving sealed valve control circuit figure of torch
Fig. 6 is the bang-bang circuit figure of the utility model control blower fan
Fig. 7 is the bang-bang circuit figure of the moving sealed valve of the utility model control torch
Fig. 8 is that the utility model is the control circuit figure of Programmable Logic Controller or DDC control module
Embodiment
As shown in the figure, Fig. 4, expression the utility model control box can be realized hand/automatic integrated function, when hand/automatic change over places automated location, 103KA～603KA gets the adhesive of electrical relay contact, when hand/automatic change over placed manual position, 103KA～603KA must not disconnect the electrical relay contact; Feedback signal causes 104KA～204KA, 306KA～606KA adhesive to produce alerting signal when torch moving 7 or blower fan break down.
Fig. 5, represent this control box control multichannel air intake machine and the moving sealed valve of torch, have 6 loops.
Fig. 6, control blower fan bang-bang circuit figure, when hand/automatic change in manual position,
*3KA must not be electric, its normally closed contact adhesive, and the on-site manual button is effective, when
*When the 2SB button is pressed, A.C. contactor
*KM gets electric adhesive, the blower motor operation; Press
*During the 1SB button,
*The KM dead electricity, blower motor is out of service; When blower fan breaks down,
*The KH normally closed contact disconnects, and makes
*The KM dead electricity, blower fan is out of service, reaches the purpose of protection motor, simultaneously
*The adhesive of KH normally opened contact, demonstration fan trouble alert is carried out fault and is got rid of.When hand/automatic change at automated location,
*3KA gets electric, its normally opened contact adhesive, and the on-site manual button is invalid, accepts DDC control, when DDC sends when blowing in the machine instruction,
*2KA gets electric normally opened contact adhesive, A.C. contactor
*KM gets electric adhesive, the blower motor operation; When DDC sends the Blowing stopper instruction,
*1KA gets electric normally closed contact and disconnects,
*The KM dead electricity, blower motor is out of service; When blower fan breaks down,
*The KH normally closed contact disconnects, and makes
*The KM dead electricity, blower fan is out of service, reaches the purpose of protection motor, simultaneously
*The adhesive of 4KA normally opened contact is carried out fault to DDC feedback demonstration fan trouble alert and is got rid of.
The relay control principle figure of Fig. 7, the moving sealed valve of control torch, when hand/automatic change in manual position,
*3KA must not be electric, its normally closed contact adhesive, and the on-site manual button is effective, when
*When the 1SB button is pressed, A.C. contactor
*1KM gets electric adhesive, and the moving sealed valve motor of torch is just being transported row, valve open, and after the moving sealed valve of torch reached the position, travel switch K1 disconnected, and valve driving machine is out of service; When pressing
*During the 2SB button, A.C. contactor
*2KM gets electric adhesive, the moving sealed valve motor counter-rotating of torch operation, and valve closing, after the moving sealed valve of torch pass put in place, travel switch K2 disconnected, and valve driving machine is out of service; When valve driving machine breaks down,
*The KH normally closed contact disconnects, and makes
*1KM or
*The 2KM dead electricity, valve driving machine is out of service, reaches the purpose of protection motor, simultaneously
*The adhesive of KH normally opened contact, demonstration valve driving machine fault alert is carried out fault and is got rid of.When hand/automatic change at automated location,
*3KA gets electric, its normally opened contact adhesive, and the on-site manual button is invalid, accepts DDC control, when DDC sends out the valve instruction,
*1KA gets electric normally opened contact adhesive, A.C. contactor
*1KM gets electric adhesive, and the moving sealed valve motor of torch is just being transported row, valve open, and after the moving sealed valve of torch reached the position, travel switch K1 disconnected, and valve driving machine is out of service; When DDC sends pass valve instruction,
*2KA gets electric normally opened contact adhesive, A.C. contactor
*2KM gets electric adhesive, the moving sealed valve motor counter-rotating of torch operation, and valve closing, after the moving sealed valve of torch pass put in place, travel switch K2 disconnected, and valve driving machine is out of service; When valve breaks down,
*The KH normally closed contact disconnects, and makes
*1KM or
*The 2KM dead electricity, valve is out of service, reaches the purpose of protection motor, simultaneously
*The adhesive of 6KA normally opened contact is carried out fault to DDC feedback demonstration fan trouble alert and is got rid of.
Fig. 8, be among the control circuit figure of Programmable Logic Controller or DDC control module, when hand/automatic change over during at automated location, send steering order by Programmable Logic Controller or DDC control module, control program is during clean ventilation: open No. 1 blower fan, open 1# valve, 2# valve, close 3# valve, 4# valve, light the clean ventilation pilot lamp; Control program is during gas filtration ventilation: open No. 2 blower fan, open 3# valve, 4# valve, close 1# valve, 2# valve, light the gas filtration ventilation pilot lamp; Control program is during isolated ventilation: close 1# valve, 2# valve, 3# valve, 4# valve, No. 1 blower fan, No. 2 blower fans, light the isolated ventilation pilot lamp.
Claims (5)
1, the electric appliance control box of strong and weak electricity one, light current control device by Programmable Logic Controller or DDC controller constitutes, comprise relay switch, heavy-current control by simulation amplification output circuit or digital quantity output, it is characterized in that switch with relay, the light current control device that the heavy-current control of simulation amplification output circuit or digital quantity output and Programmable Logic Controller or DDC controller constitute is integrated in the casing, directly connect the strong electrical control circuit loop by Programmable Logic Controller or DDC controller output end, I/O interface circuit between the light current control comprises the input of analog quantity and switching value, output interface, the A/D change-over circuit, the output of light current control connects the control loop of motor.
2, by the electric appliance control box of the described strong and weak electricity one of claim 1, the sensor circuit of the machine-tool that it is characterized in that being provided with blower motor or controlled, connect the I/O interface circuit, with blower fan, drive the valve motor and signal inserted the Programmable Logic Controller input port by sensor, motor service data parameter is monitored.
3,, it is characterized in that above-mentioned electric appliance control box is three anti-air intake switch boards, three anti-air draft switch boards, power station Ventilation Control cabinet integrator to air intake machine, exhaust blower, the moving sealed valve of torch by the electric appliance control box of the described strong and weak electricity one of claim 1.
4,, it is characterized in that Programmable Logic Controller or DDC controller communicate to connect by communication interface or communication module and host computer, become the slave computer of distributed director by the electric appliance control box of the described strong and weak electricity one of claim 1.
5, by the electric appliance control box of the described strong and weak electricity one of claim 1, it is characterized in that comprising in this switch board two cover control device, a cover adopts traditional relay control device, a cover to adopt the control device by Controlled by Programmable Controller; When adopting the Controlled by Programmable Controller device, all be connected the digital signal input end of signal wire often opening of relay control, thereby realize both exchanges to Programmable Logic Controller with the normally closed contact gauge tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520069596 CN2779462Y (en) | 2005-03-09 | 2005-03-09 | Electrical&Instrument integrated electrical appliance control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520069596 CN2779462Y (en) | 2005-03-09 | 2005-03-09 | Electrical&Instrument integrated electrical appliance control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2779462Y true CN2779462Y (en) | 2006-05-10 |
Family
ID=36753547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520069596 Expired - Fee Related CN2779462Y (en) | 2005-03-09 | 2005-03-09 | Electrical&Instrument integrated electrical appliance control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2779462Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096397A (en) * | 2010-11-12 | 2011-06-15 | 浙江大学 | Modularized wiring method of control cabinet for multi-axis motion control system based on SynqNet bus |
| CN111238003A (en) * | 2020-03-19 | 2020-06-05 | 合肥丰蓝电器有限公司 | Control method of temperature adjusting unit |
-
2005
- 2005-03-09 CN CN 200520069596 patent/CN2779462Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096397A (en) * | 2010-11-12 | 2011-06-15 | 浙江大学 | Modularized wiring method of control cabinet for multi-axis motion control system based on SynqNet bus |
| CN102096397B (en) * | 2010-11-12 | 2013-04-17 | 浙江大学 | Modularized wiring method of control cabinet for multi-axis motion control system based on SynqNet bus |
| CN111238003A (en) * | 2020-03-19 | 2020-06-05 | 合肥丰蓝电器有限公司 | Control method of temperature adjusting unit |
| CN111238003B (en) * | 2020-03-19 | 2021-05-18 | 合肥丰蓝电器有限公司 | Control method of temperature adjusting unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |