CN205036609U - Hot fan control circuit - Google Patents
Hot fan control circuit Download PDFInfo
- Publication number
- CN205036609U CN205036609U CN201520594484.7U CN201520594484U CN205036609U CN 205036609 U CN205036609 U CN 205036609U CN 201520594484 U CN201520594484 U CN 201520594484U CN 205036609 U CN205036609 U CN 205036609U
- Authority
- CN
- China
- Prior art keywords
- heater
- control circuit
- contactor
- air heater
- blower fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The utility model provides a hot fan control circuit, this control circuit include major loop and control circuit, the general supply of major loop adopts the three -phase five -wire system, is connected with fan, heater and phase sequence protector on this major loop, last fan ac contactor, fan delay relay, heater ac contactor and the heater auxiliary relay of being equipped with of control circuit, fan ac contactor with control is used in the cooperation of fan delay relay the operation of fan, heater ac contactor with control is used in the cooperation of heater auxiliary relay the operation of heater. The utility model discloses beneficial effect does: adopt as above technical scheme, the control fan that can be effective, quick and the normal operating of heater, electrothermal relay, temperature control table and the operation of the effectual supervisory circuits of over -temperature alarm ware safety through setting up have improved the circuit reliability of operation.
Description
Technical field
The utility model belongs to electromechanical control field, is specifically related to a kind of air heater control circuit.
Background technique
Industrial air heater is very extensive in every profession and trade application prospects such as electronics, food, pharmacy, packagings.Industrial air heater is the first-selected product of modern industry thermal source upgrading, is the optimal heat wind regime configuration of the automated machines such as hot blast furnace conveyor, kiln furnace, baking oven, packaging machine.
Along with the use occasion of air heater is more and more wider, in order to the industrial production demand under particular surroundings further can be adapted to, as at some environment with a large amount of water vapor, need hot air source to recycle.Require the long safe and stable operation of hot blast function, this just has higher requirement to the performance of air heater.
Model utility content
In view of this, the purpose of this utility model is to overcome the deficiencies in the prior art, provides that a kind of warming velocity is fast, drying efficiency is high, temperature control is accurate, long-lived air heater control circuit.
For realizing above object, the utility model adopts following technological scheme: a kind of air heater control circuit, this control circuit comprises major loop and control loop, and the general power of described major loop adopts three-phase five-wire mode, this major loop is connected with blower fan, heater and phase sequence relay; Described control loop is provided with blower fan A.C. contactor, blower fan time delay relay, heater A.C. contactor and heater auxiliary reclay; Described blower fan A.C. contactor and described blower fan time delay relay are with the use of the running controlling described blower fan; Described heater A.C. contactor and described heater auxiliary reclay are with the use of the running controlling described heater.
Also be provided with temperature control table in described control loop, the model that this temperature control table adopts is CH102-FK01-V*BN.
Described temperature control table is serially connected with overtemperature alarm.
Between described air heater and zero line, the LED for showing described air heater running state is provided with in described major loop.
Between described heater and zero line, the LED for showing described heater running state is provided with in described major loop.
Also being provided with the thermorelay for overload protection in described control loop, between this thermorelay and zero line, being provided with the LED for showing described thermorelay running state.
Establishing in described control loop is have emergency stop button.
Total power switch is provided with in described major loop.
Described blower fan A.C. contactor is serially connected with air-supply switch.
Described heater auxiliary reclay is serially connected with heater switch.
The utility model beneficial effect is: adopt as above technological scheme, the normal operation of blower fan and heater can be controlled effectively and rapidly, by thermorelay, temperature control table and the overtemperature alarm supervisory circuit operation safely and effectively arranged, improve circuit reliability of operation.
Accompanying drawing explanation
Fig. 1 is the major loop electric drawings of the utility model air heater control circuit;
Fig. 2 is the control loop electric drawings of the utility model air heater control circuit;
Fig. 3 is the wiring schematic diagram of the utility model air heater control circuit.
Embodiment
It should be noted that three-phase five-wire mode of the present utility model comprises three phase lines (A, B, C line), the neutral line (N line) of three-phase electricity; And ground wire (PE line).The neutral line (N line) is exactly zero line.When threephase load is symmetrical, three-phase line flows into the current phasor of the neutral line and is zero, but for independent one mutually, electric current is non-vanishing.When threephase load is asymmetric, the current phasor of the neutral line and non-vanishing, can produce voltage-to-ground.
As shown in Figures 1 to 3, the utility model provides a kind of air heater control circuit, and this control circuit comprises major loop and control loop, and the general power of described major loop adopts three-phase five-wire mode, this major loop is connected with blower fan, heater and phase sequence relay; Described control loop is provided with blower fan A.C. contactor KM1, blower fan time delay relay KT, heater A.C. contactor KM2 and heater auxiliary reclay KA; Described blower fan A.C. contactor KM1 and described blower fan time delay relay KT is with the use of the running controlling described blower fan; Described heater A.C. contactor KM2 and described heater auxiliary reclay KA is with the use of the running controlling described heater.
Also be provided with temperature control table T in described control loop, the model that this temperature control table adopts is CH102-FK01-V*BN.
Described temperature control table is serially connected with overtemperature alarm.
Between described air heater and zero line, the white led lamps (WL) for showing described air heater running state is provided with in described major loop.
Between described heater and zero line, the red LED lamp (RL) for showing described heater running state is provided with in described major loop.As shown in Figure 1, by using solid-state relay SSR to control this heater.
Also being provided with the thermorelay FR for overload protection in described control loop, between this thermorelay FR and zero line, being provided with the yellow LED lamp (YL) for showing described thermorelay FR running state.
Establish in described control loop is have emergency stop button SB.
Being provided with total power switch QF1 in described major loop, as shown in Figure 1, in this major loop, being also provided with the control switch QF2 for controlling described control loop break-make simultaneously.
Described blower fan A.C. contactor KM1 is serially connected with air-supply switch S A-1.
Described heater auxiliary reclay KA is serially connected with heater switch SA-2.
Working principle is as follows: after energising, and blower fan in heater, makes air evenly pass through from the medial and lateral of helical electric heating wire blow air, and the heat produced after electric heating wire energising carries out heat exchange with the cool air passed through, thus uses the wind-warm syndrome of exhaust outlet to raise.The leaving air temp detected is fed back to temperature controlling instrument by the K type thermocouple at exhaust outlet place in time, and instrument according to the true temperature of the temperature monitoring of the setting work of, and will transmit back solid-state relay and then whether control heater works for information about.Meanwhile, ventilator can utilize blast regulator (frequency variator, air door) to regulate the air force of blow air, thus, realizes the regulation and control of operating temperature, air quantity.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the application or akin technological scheme, all drops within protection domain of the present utility model.
Claims (10)
1. an air heater control circuit, is characterized in that: this control circuit comprises major loop and control loop, and the general power of described major loop adopts three-phase five-wire mode, this major loop is connected with blower fan, heater and phase sequence relay;
Described control loop is provided with blower fan A.C. contactor, blower fan time delay relay, heater A.C. contactor and heater auxiliary reclay; Described blower fan A.C. contactor and described blower fan time delay relay are with the use of the running controlling described blower fan; Described heater A.C. contactor and described heater auxiliary reclay are with the use of the running controlling described heater.
2. a kind of air heater control circuit according to claim 1, is characterized in that: be also provided with temperature control table in described control loop, and what this temperature control table adopted is Taiwan TSK brand, and model is CH102-FK01-V*BN.
3. a kind of air heater control circuit according to claim 2, is characterized in that: described temperature control table is serially connected with overtemperature alarm.
4. a kind of air heater control circuit according to claim 1, is characterized in that: between described air heater and zero line, be provided with the LED for showing described air heater running state in described major loop.
5. a kind of air heater control circuit according to claim 1, is characterized in that: between described heater and zero line, be provided with the LED for showing described heater running state in described major loop.
6. a kind of air heater control circuit according to claim 1, is characterized in that: be also provided with the thermorelay for overload protection in described control loop, is provided with the LED for showing described thermorelay running state between this thermorelay and zero line.
7. a kind of air heater control circuit according to claim 1, is characterized in that: be also provided with emergency stop button in described control loop.
8. a kind of air heater control circuit according to claim 1, is characterized in that: be provided with total power switch in described major loop.
9. a kind of air heater control circuit according to claim 1, is characterized in that: described blower fan A.C. contactor is serially connected with air-supply switch.
10. a kind of air heater control circuit according to claim 1, is characterized in that: described heater auxiliary reclay is serially connected with heater switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520594484.7U CN205036609U (en) | 2015-08-07 | 2015-08-07 | Hot fan control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520594484.7U CN205036609U (en) | 2015-08-07 | 2015-08-07 | Hot fan control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205036609U true CN205036609U (en) | 2016-02-17 |
Family
ID=55295514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520594484.7U Expired - Fee Related CN205036609U (en) | 2015-08-07 | 2015-08-07 | Hot fan control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205036609U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207965A (en) * | 2016-09-07 | 2016-12-07 | 合肥三冠包装科技有限公司 | A kind of protection circuit matching servo packer main circuit |
| CN106766018A (en) * | 2017-03-17 | 2017-05-31 | 苏州华业检测技术服务有限公司 | A kind of laboratory supply and exhaust control system |
| CN108089622A (en) * | 2018-01-20 | 2018-05-29 | 盐城日盛纺织仓储有限公司 | A kind of movable type combing process Temperature and Humidity Control machine |
-
2015
- 2015-08-07 CN CN201520594484.7U patent/CN205036609U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207965A (en) * | 2016-09-07 | 2016-12-07 | 合肥三冠包装科技有限公司 | A kind of protection circuit matching servo packer main circuit |
| CN106766018A (en) * | 2017-03-17 | 2017-05-31 | 苏州华业检测技术服务有限公司 | A kind of laboratory supply and exhaust control system |
| CN108089622A (en) * | 2018-01-20 | 2018-05-29 | 盐城日盛纺织仓储有限公司 | A kind of movable type combing process Temperature and Humidity Control machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20160807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |