CN202265289U - Temperature control system for escalator control cabinet - Google Patents
Temperature control system for escalator control cabinet Download PDFInfo
- Publication number
- CN202265289U CN202265289U CN2011202936465U CN201120293646U CN202265289U CN 202265289 U CN202265289 U CN 202265289U CN 2011202936465 U CN2011202936465 U CN 2011202936465U CN 201120293646 U CN201120293646 U CN 201120293646U CN 202265289 U CN202265289 U CN 202265289U
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- fan
- control system
- plc controller
- escalator
- control cabinet
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Abstract
The utility model relates to a temperature control system for an escalator control cabinet. By the temperature control system, the problems of single functions and incapability of judging temperature and complex operation and the problem that operators have risks of injury in a radiating device of the conventional escalator control cabinet are solved. The control system comprises a fan, an environment detector for detecting the internal environment of the control cabinet and a programmable logic controller (PLC), wherein the environment detector is connected to the input end of the PLC; and the fan is connected to the output end of the PLC. The temperature control system has the advantages of increasing a control function of the fan, enhancing the functions, detecting environmental parameter automatically and controlling the starting and stopping of the fan along with simplicity of operation, high intelligent degree, high detection accuracy and good control effect.
Description
Technical field
The utility model relates to a kind of apparatus for controlling elevator, relate in particular to a kind of can be according to the escalator control cabinet temperature control system of temperature traverse automatic start-stop fan, highly versatile.
Background technology
The heat abstractor of tradition escalator control cabinet is exactly a cover system independently in fact, offer the heat abstractor power supply through control housing, but this heat abstractor function singleness can only be carried out the heat-dissipation function; Can't judge the height of temperature, complicated operation, the people need get into machine room, and open system has been increased operation easier and step for repair and maintenance personnel's repair and maintenance, but also has increased the risk of personal injury artificially.So a kind of intelligence control system of necessary design, the various states of realization automatic gauging control cabinet, the start and stop of control fan do not need to operate artificially, reduce the risk that the staff is hurt.
Summary of the invention
The utility model mainly solved traditional escalator control cabinet heat radiation apparatus function single, can't judge that temperature height, complicated operation, operating personal have the problem of injured risk, provide a kind of temperature detection accurately, can the automatic start-stop fan, avoid the injured escalator control cabinet temperature control system of operating personal.
The utility model solves the technical scheme that its technical matters adopted: a kind of escalator fan control system; Comprise the fan that is installed on the control housing; Also include environment measuring appearance, PLC controller that the control housing internal environment is detected; Said environment measuring appearance is connected on the input end of PLC controller, and said fan is connected on the mouth of PLC controller.The various states of the utility model in can the automatic gauging control cabinet, the start and stop of automatic guidance fan do not need artificial operating, and have improved work efficiency, have reduced the risk that the staff is hurt simultaneously yet.The environment measuring appearance is generally controlled the fan start and stop through the control in-cabinet temperature is detected, and temperature detection helps control system prolongation in service life accurately, and fan control system makes the function of fan expand greatly by the control of PLC controller simultaneously.
As a kind of preferred version, said environment measuring appearance comprises sensor and a contact switch that opens and closes according to sensor detection information, and said contact switch one end connects direct supply, and the contact switch other end is connected on the input end of said PLC controller.Sensor detects control in-cabinet temperature or dust etc., and direct supply is the 24V direct supply, the environment measuring appearance to sensor to information judge; The control contact switch carries out closure or disconnection, if sensor to information be lower than standard value, contact switch breaks off; PLC controller input end does not have the signal input; If sensor to information be higher than standard value, contact switch is closed, PLC controller input end has the voltage signal input.
As a kind of preferred version, said sensor is a temperature sensor.Temperature sensor detects the control in-cabinet temperature, and the environment measuring appearance is controlled fan according to temperature traverse.
As a kind of preferred version, said sensor also includes smoke gas sensor.Smoke gas sensor detects dust concentration in the control housing, and according to dust concentration standard whether, whether the control of environment measuring appearance transmits a signal to the PLC controller.During this smoke gas sensor a kind of of temperature sensor replenished, increased the function of temperature control system.
As a kind of preferred version, said fan one end links to each other with the mouth of PLC controller, and the fan other end links to each other with zero line.Fan is connected on the PLC controller, and whether fan works controlled by the PLC controller.
As a kind of preferred version, connect source of AC on the common port of said PLC controller.Public termination 220V alternating current is equivalent to a switch circuit between this common port and the mouth, its break-make is controlled by the PLC controller.Make the fan circuit conducting when PLC controller input end has signal when input, PLC, promptly mouth is connected with common port, and fan is started working, and input end has signal input always, and then fan is worked always.When PLC controller input end does not have the signal input, not conducting of fan circuit, fan quits work.
The utility model has the advantages that: 1. increased the FC Fan Control function, strengthened effect; 2. testing environment parameter automatically, the start and stop of control fan; 3. simple to operate, degree of intelligence is high; 4. accuracy of detection is high, controls effective.
Description of drawings
Fig. 1 is a kind of structural framing scheme drawing of the utility model;
Fig. 2 is a kind of workflow diagram of the utility model.
1-environment measuring appearance; The 2-temperature sensor; The 3-contact switch; The 4-fan; The 5-PLC controller; The 6-smoke gas sensor.
The specific embodiment:
Below through embodiment, and combine accompanying drawing, the technical scheme of the utility model is further described.
Embodiment:
A kind of escalator fan control system of present embodiment; As shown in Figure 1; Control system includes fan 4, PLC controller 5 and environment measuring appearance 1, and fan is installed in escalator control cashier's office in a shop, and environment measuring appearance 1 includes a temperature sensor 2 and a contact switch 3 that receives sensor temperature control; This temperature sensor is installed in the escalator control cabinet, is used to detect the temperature in the control housing.One termination direct current 24V power supply of contact switch 3, the other end is connected on the input end of PLC controller 5, and fan 4 one ends link to each other with zero line, and the other end is connected on the mouth of PLC controller 5, and the common port of PLC controller is that the com end connects the alternating current 220V power supply.
As long as the PLC controller detects input end signal input just startup fan is arranged in the present embodiment; The blackout fan is just out of service; This makes the sensor of environment measuring appearance to select for use as required; Can be to have only temperature sensor, other sensors perhaps are set except temperature sensor again, on the environment measuring appearance, also be provided with the smoke gas sensor 6 that detects dust concentration in the present embodiment; Also can start fan after dust concentration is above standard in control housing like this, increase the function of temperature control system.
Escalator fan control system workflow is as shown in Figure 2, and when escalator normally moved, fan control system was started working; Temperature sensor detects the temperature in the control housing in real time; When temperature build-up in the control housing also surpassed the temperature of regulation, then the contact switch in the temperature monitor was closed, and the input end of PLC controller just has the input of 24V signal; The PLC controller makes output end signal export through software logic control; Promptly be equivalent to mouth and common port is conducted, then fan circuit conducting, fan is started working.Temperature sensor continue to detect the control in-cabinet temperature, if when detecting temperature and being lower than set point of temperature, the contact switch in the environment measuring appearance breaks off; The input of PLC controller input end no signal; Then PLC controller output end no signal output, fan circuit breaks off, and fan quits work.
Specific embodiment described herein only is that spirit of the present invention is made casehistory.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as fan, environment measuring appearance, PLC controller, contact switch morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (7)
1. escalator control cabinet temperature control system; Comprise the fan that is installed on the control housing; It is characterized in that: also include environment measuring appearance (1), PLC controller (5) that the control housing internal environment is detected; Said environment measuring appearance is connected on the input end of PLC controller, and said fan (4) is connected on the mouth of PLC controller.
2. a kind of escalator control cabinet temperature control system according to claim 1; It is characterized in that said environment measuring appearance (1) comprises a sensor and a contact switch that opens and closes according to sensor detection information (3); Said contact switch one end connects direct supply, and the contact switch other end is connected on the input end of said PLC controller (5).
3. a kind of escalator control cabinet temperature control system according to claim 2 is characterized in that said sensor is temperature sensor (2).
4. a kind of escalator control cabinet temperature control system according to claim 3 is characterized in that said sensor also includes smoke gas sensor (6).
5. according to each described a kind of escalator control cabinet temperature control system of claim 1 to 4, it is characterized in that said fan (4) one ends link to each other with the mouth of PLC controller (5), the fan other end links to each other with zero line.
6. according to each described a kind of escalator control cabinet temperature control system of claim 1 to 4, it is characterized in that connecting source of AC on the common port of said PLC controller (5).
7. a kind of escalator control cabinet temperature control system according to claim 5 is characterized in that connecting source of AC on the common port of said PLC controller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202936465U CN202265289U (en) | 2011-08-15 | 2011-08-15 | Temperature control system for escalator control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202936465U CN202265289U (en) | 2011-08-15 | 2011-08-15 | Temperature control system for escalator control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202265289U true CN202265289U (en) | 2012-06-06 |
Family
ID=46156097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202936465U Expired - Fee Related CN202265289U (en) | 2011-08-15 | 2011-08-15 | Temperature control system for escalator control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202265289U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231969A (en) * | 2013-03-07 | 2013-08-07 | 西子奥的斯电梯有限公司 | Low-noise elevator car internal ventilation and air deflecting system |
| CN110054072A (en) * | 2018-01-18 | 2019-07-26 | 株式会社日立制作所 | Passenger conveying equipment and its control device |
-
2011
- 2011-08-15 CN CN2011202936465U patent/CN202265289U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231969A (en) * | 2013-03-07 | 2013-08-07 | 西子奥的斯电梯有限公司 | Low-noise elevator car internal ventilation and air deflecting system |
| CN110054072A (en) * | 2018-01-18 | 2019-07-26 | 株式会社日立制作所 | Passenger conveying equipment and its control device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120606 Termination date: 20180815 |