Background
Along with the development of science and technology, fields such as industry all are making progress fast, and what follow is the increase of wire and cable use amount, and in the course of working of cable, often need be equipped with preheating device, preheating device plays the effect of getting rid of the surperficial moisture of cable body, makes its inner structure drier, connects more closely when making cable body parcel insulating layer, improves wire and cable's production quality.
Chinese utility model patent with application number CN201520141594.8 discloses an electric wire and cable production preheating device, including the heater body, at the both ends fixedly connected with port gland of heater body, inlet wire or outlet has been seted up on the port gland, the heater body outside is provided with the electrical heating piece, be provided with the heat preservation in the outside of electrical heating piece, be provided with the guide duct that sets up along heater body length direction in heater body inboard, this guide duct stretches out the heater body and is connected with the air-blower, has laid the wind-guiding hole on the guide duct.
The above prior art solutions have the following drawbacks: in order to improve the production efficiency, the extruder needs to be ensured to be in a state of melting the insulating plastic into liquid at normal working hours (such as 8:00 in the morning), therefore, in the actual production process, people need to come to a factory in advance for a period of time and start a power distribution cabinet (such as people need to come to a unit in advance at 7:30 in a company), so that the extruder is used for heating the insulating plastic in advance, and the prior art scheme is relatively complex and has a low automation degree, so that the method is necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a temperature control system of wire and cable production line, it is higher to have degree of automation, can start the extruder in advance automatically, makes the insulating plastics in the extruder melt in advance into liquid advantage.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a temperature control system of a wire and cable production line comprises an extruder and a power distribution cabinet, wherein the power distribution cabinet is provided with a timer, a microprocessor, a signal receiver and a power supply main brake, the extruder is externally provided with a temperature testing device and a signal emitter,
the extruder is internally provided with a plastic placing cavity for placing insulating plastic and a heating pipe for heating and melting the plastic in the plastic placing cavity into a liquid state;
the power distribution cabinet is used for supplying power to the extruder, the microprocessor, the temperature testing device, the signal receiver and the signal transmitter;
the power supply main brake is used for opening or closing the power distribution cabinet;
the timer is used for sending an instruction for opening or closing the power distribution cabinet to the power supply general brake through the microprocessor at a preset time point;
the temperature testing device is used for testing the temperature of the extruder and sending the measured temperature information to the signal emitter in real time;
the signal transmitter is used for transmitting the temperature information from the temperature testing device to the signal receiver;
the signal receiver is used for sending the temperature signal information from the signal transmitter to the microprocessor;
and the microprocessor is used for controlling the working state of the power distribution cabinet through the power supply main gate according to the instruction signal sent by the timer and controlling the working state of the extruder according to the real-time temperature information from the signal receiver.
Through adopting the technical scheme, the utility model discloses can send the instruction of opening the power supply main brake for microprocessor through the timer at predetermined time (like 7 am half), the extruder will work in the first half hour of the normal working (like 8 am) of mill, like this, at the normal working time of unit (like 8 am), the plastics of extruder place the insulating plastics of intracavity and just become the liquid state by melting, therefore, under the combined action of timer and microprocessor, the mill just need not people reach the unit in advance for a period and preheats the extruder; meanwhile, with the help of the signal transmitter and the signal receiver, the temperature testing device can send the real-time temperature information in the plastic placing cavity to the microprocessor, and the microprocessor can control the number of the heating pipes in the state through the real-time temperature information, so that the working state of the extruder is controlled.
The utility model discloses can further configure to in a preferred example, heating pipe in the extruder has three to five, and in the extruder the heating pipe between be parallelly connected the arranging, every heating pipe all with microprocessor electric connection.
Through adopting above-mentioned technical scheme, people can be through the quantity when control heating pipe is in operating condition to be used for carrying out the operating condition of the part that heats to insulating plastic in the accurate control extruder, and then the temperature in chamber is placed to plastics in the control extruder, like this, the utility model discloses can be through the operating condition of control heating pipe and then control its self operating condition.
The utility model discloses can further configure to in a preferred example, every heating pipe all establishes ties a heating switch separately, every heating switch all with microprocessor electric connection.
By adopting the technical scheme, people can control the quantity of the heating pipes in the opening or closing state by controlling the quantity of the heating switches in the opening or closing state, so that people can conveniently and directly control the quantity of the heating pipes in the working state.
The utility model discloses can further configure to in a preferred example, every heating pipe all is established ties separately and is used for showing that the heating pipe is in the heating display lamp of opening or closed state.
By adopting the technical scheme, the heating display lamps can directly reflect the working states of the heating pipes connected with each other, if a certain heating display lamp is in an off state, the heating pipe connected with the heating display lamp in series is in an open circuit state, and therefore people can judge the number of the heating pipes in the working states according to the number of the heating display lamps which are off or are on for a long time, and further judge the working states of the extruder.
The present invention may be further configured in a preferred example to further include a memory for storing information from the timer and the signal receiver.
Through adopting above-mentioned technical scheme, the accumulator can be stored the temperature information of extruder at different periods of time, and the follow-up data to the extruder of help people is analyzed.
The utility model discloses can further configure to in a preferred example, still include the network communication ware, the network communication unit is used for being connected the host computer of storage unit and outside, and the host computer shows the information display in the storage unit.
By adopting the technical scheme, people can directly observe the working state of the extruder through the network communicator.
The utility model discloses can further configure to in a preferred example, still including showing the alarm, install on the extruder and be used for showing the real-time operating condition of extruder, show the alarm pass through microprocessor with temperature testing arrangement connects.
Through adopting above-mentioned technical scheme, people can be according to the state that shows the alarm and audio-visual operating condition who judges the extruder, the during operation, show the alarm and can demonstrate the lamps and lanterns of different colours for the state according to the extruder, show the alarm and also can be bee calling organ, after the extruder is worked a period, if the temperature that the intracavity portion was placed to plastics is too high or low, then bee calling organ makes a sound, remind people the operating condition of extruder to appear unusually, if the temperature that the intracavity portion was placed to plastics is in normal range, then bee calling organ does not make a sound.
The utility model discloses can further configure into in a preferred example, be equipped with high temperature alarm module, normal display module and low temperature alarm module in the demonstration alarm, high temperature alarm module is used for sending red light when the temperature in the extruder exceeds 220 ℃, normal display module is used for sending green light when the temperature in the extruder is 180 ℃ -220 ℃, low temperature alarm module is used for sending yellow light when the temperature in the extruder is less than 180 ℃.
Through adopting above-mentioned technical scheme, people can directly judge the operating condition of extruder according to the colour that shows the alarm, it is as the red light to show the alarm reality, how explain the high temperature in the extruder, people need cool down to the inside of the extruder, when high temperature alarm module sent yellow lamp, then explain the inside temperature of extruder is low excessively, then people need continue to heat the inside of the extruder, the colour that shows the alarm is green is, then explain the inside temperature of extruder and be normal state, then people continue to keep the operating condition of extruder can, when showing the alarm not bright, then explain the extruder is in the state that does not have work.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the utility model discloses can send the instruction of opening the power supply main brake for microprocessor at predetermined time through the timer, the extruder will work half hour before the normal working of mill, like this, at the normal working time of unit, the insulating plastics that the intracavity was placed to the plastics of extruder just has melted into liquid, consequently, under timer and microprocessor's combined action, the mill just need not people to arrive the unit in advance for a period and preheats the extruder.
2. People can directly judge the operating condition of extruder according to the colour that shows the alarm, it is as the red light when showing the alarm reality, how explain the high temperature in the extruder, people need be to the inside cooling of extruder, when high temperature alarm module sent yellow lamp, then explain that the inside temperature of extruder is crossed lowly, then people need continue to heat the inside of extruder, it is green when showing the colour of alarm, then explain the inside temperature of extruder and be normal state, then people continue to keep the operating condition of extruder can, when showing the alarm and not being bright, then explain the extruder and be in the state that does not have work.
3. Under the help of signal transmitter and signal receiver, temperature testing arrangement can place the real-time temperature information of intracavity with plastics and send microprocessor, and microprocessor can be in the quantity of state through above-mentioned real-time temperature information control heating pipe, and then realizes the control to the operating condition of extruder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a temperature control system of wire and cable production line, including extruder 9 and switch board 5, switch board 5 is used for supplying power to whole temperature control system, particularly, switch board 5 is used for supplying power to extruder 9, microprocessor 2, temperature testing device 8, signal receiver 62 and signal transmitter 61, and extruder 9 is used for heating insulating plastic to melt into liquid and cover insulating plastic on wire and cable's sinle silk.
As shown in fig. 1, microprocessor 2 (CPU) does the utility model discloses a core control part for the operating condition (open or close) of command signal through power supply master gate 51 control switch board 5 that sends according to timer 1 and come, and according to the operating condition (the quantity that control extruder 9 inside heating pipe 92 is in the state of opening or closing that comes from signal receiver 62 real-time temperature information control extruder 9 (control extruder 9), and then control extruder 9's heating temperature), quantity when people can be in operating condition through control heating pipe 92, thereby be used for carrying out the operating condition of the part that heats to insulating plastics in the accurate control extruder 9, and then the temperature that chamber 91 was placed to plastics in the control extruder 9, and thus, the utility model discloses can be through the operating condition of control heating pipe 92 and then control its self operating condition.
Install timer 1, microprocessor 2, signal receiver 62 and power supply main brake 51 on the switch board 5, power supply main brake 51 is installed on switch board 5 and is used for opening or close switch board 5, timer 1 is used for sending the instruction of opening or closing switch board 5 to power supply main brake 51 through microprocessor 2 at the time point of predetermineeing, can embed the alarm clock function in timer 1, after reaching specific time point, thereby timer 1 sends the instruction to microprocessor 2 and opens or close whole temperature control system through power supply main brake 51. If people need to start the extruder 9 in the first half hour of work, so that the insulating plastic in the extruder 9 is in a liquid state in the normal work time of people, people can lead the extruder 9 to be in a working state in advance through the timer 1, and thus under the combined action of the timer 1 and the microprocessor 2, a factory does not need to lead people to reach a unit in advance for preheating the extruder 9.
As shown in fig. 1, a temperature testing device 8 and a signal transmitter 61 are installed outside an extruder 9, a plastic placing cavity 91 for placing insulating plastic and a heating pipe 92 for heating and melting the plastic in the plastic placing cavity 91 into a liquid state are arranged inside the extruder 9, the temperature testing device 8 is used for testing the temperature of the extruder 9 and sending the measured temperature information to the signal transmitter 61 in real time, the signal transmitter 61 is used for sending the temperature information from the temperature testing device 8 to a signal receiver 62, the signal receiver 62 is used for sending the temperature signal information from the signal transmitter 61 to a microprocessor 2, so that with the help of the signal transmitter 61 and the signal receiver 62, the temperature testing device 8 can send the real-time temperature information in the plastic placing cavity 91 to the microprocessor 2, and the microprocessor 2 can control the number of state states of the heating pipe 92 through the real-time temperature information, thereby realizing the control of the working state of the extruder 9.
In actual operation, as shown in fig. 1, the number of the heating pipes 92 in the extruder 9 may be three to five, the heating pipes 92 in the extruder 9 are arranged in parallel, and each heating pipe 92 is electrically connected to the microprocessor 2. Preferably, each heating tube 92 is connected in series with a heating switch, and each heating switch is electrically connected with the microprocessor 2. Further, each heating pipe 92 is connected in series with a heating display lamp for displaying whether the heating pipe 92 is in an on or off state. People can control the number of the heating pipes 92 in the opening or closing state by controlling the number of the heating switches in the opening or closing state, so that people can conveniently and directly control the number of the heating pipes 92 in the working state. The heating display lamps can directly reflect the working states of the heating pipes 92 connected with each heating display lamp, if a certain heating display lamp is in an off state, the heating pipe 92 connected with the heating display lamp in series is in an open circuit state, and therefore people can judge the number of the heating pipes 92 in the working states according to the number of the heating display lamps which are off or on, and further judge the working states of the extruder 9.
As shown in fig. 1, the utility model discloses still include accumulator 3 and network communicator 4, accumulator 3 is used for the information that comes from timer 1 and signal receiver 62 to store, and the network communication unit is used for being connected the storage unit with outside host computer, and the host computer shows the information in the storage unit. Accumulator 3 and network communicator 4 are the utility model discloses unnecessary part, accumulator 3 can store extruder 9 at the temperature information of different periods, and the follow-up data to extruder 9 of help people are analyzed. One can directly observe the working state of the extruder 9 through the network communicator 4.
The utility model discloses still including showing alarm 7, install on extruder 9 and be used for showing the real-time operating condition of extruder 9, show that alarm 7 passes through microprocessor 2 and is connected with temperature testing arrangement 8. In actual work, the display alarm 7 can be a lamp capable of displaying different colors according to the state of the extruder 9, and the display alarm 7 can also be a buzzer.
When the display alarm 7 is a buzzer, after the extruder 9 works for a period of time, if the temperature inside the plastic placing cavity 91 is too high or too low, the buzzer makes a sound to remind people that the working state of the extruder 9 is abnormal, and if the temperature inside the plastic placing cavity 91 is within a normal range, the buzzer does not make a sound.
When the display alarm 7 is a lamp capable of displaying different colors according to the state of the extruder 9, a high-temperature alarm module 71, a normal display module 72 and a low-temperature alarm module 73 are arranged in the display alarm 7, the high-temperature alarm module 71 is used for emitting red light when the temperature in the extruder 9 exceeds 220 ℃, the normal display module 72 is used for emitting green light when the temperature in the extruder 9 is 180-220 ℃, and the low-temperature alarm module 73 is used for emitting yellow light when the temperature in the extruder 9 is lower than 180 ℃. Like this, people can be according to the state that shows alarm 7 and audio-visual judgement extruder 9's operating condition, through adopting above-mentioned technical scheme, people can directly judge extruder 9's operating condition according to the colour that shows alarm 7, it is when showing alarm 7 reality as the red light, how explain that the temperature in the extruder 9 is too high, people need to the inside cooling of extruder 9, when high temperature alarm module 71 sends yellow lamp, it is low to explain the inside temperature of extruder 9, then people need continue to heat the inside of extruder 9, when showing alarm 7's colour is green, it is normal state to explain the inside temperature of extruder 9, then people continue to keep extruder 9's operating condition can, when showing alarm 7 and not being bright, then explain extruder 9 is in the state that does not work.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.