CN213630770U - Pencil workshop ventilation regulation and control mechanism - Google Patents
Pencil workshop ventilation regulation and control mechanism Download PDFInfo
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- CN213630770U CN213630770U CN202022898823.4U CN202022898823U CN213630770U CN 213630770 U CN213630770 U CN 213630770U CN 202022898823 U CN202022898823 U CN 202022898823U CN 213630770 U CN213630770 U CN 213630770U
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Abstract
The utility model provides a ventilation regulating mechanism for a pencil production workshop, wherein a formaldehyde sensor is arranged in a pencil wood processing area and a pencil surface paint processing area of the pencil production workshop; the single chip microcomputer is connected with the formaldehyde sensor to acquire formaldehyde data of an area where the formaldehyde sensor is located; the single chip microcomputer is connected with the ventilation fan through a fan control circuit and used for controlling the starting, the stopping and the speed regulation of the ventilation fan; the single chip microcomputer is connected with the window opener through a window control circuit and controls the opening and closing of the electric side window of the pencil production workshop; when the single chip microcomputer monitors that the content of formaldehyde in a certain processing area exceeds a threshold value, the single chip microcomputer controls the ventilation fan to operate to ventilate and controls the window opener to open the electric side window of the pencil production workshop. Can effectively monitor the formaldehyde concentration in the pencil production workshop and protect the health of workers in the workshop. The utility model discloses can take different ventilation measures according to formaldehyde concentration situation in the pencil workshop, can avoid forced draught fan continuation work to cause the unnecessary waste of electricity.
Description
Technical Field
The utility model relates to a pencil workshop technical field especially relates to a pencil workshop ventilation regulation and control mechanism.
Background
In the process of producing the pencil in the pencil production workshop, wood used by the pencil is soaked by glue substances containing formaldehyde and the like so as to increase the hardness of the wood. Moreover, the surface paint of the pencil can generate toxic substances such as formaldehyde, benzene and the like in the processing process.
If the formaldehyde exceeds the standard, stimulation is generated on the skin mucosa of workers, and the symptoms of discomfort of eyes, discomfort of throat, pain, chest distress, asthma, hypodynamia of the whole body and the like can be caused when the concentration is too high. In the production process of the pencil, special attention should be paid to the harm of formaldehyde in a production workshop. Proper ventilation is helpful for reducing the concentration of formaldehyde in the workshop. Therefore, how to effectively monitor the formaldehyde concentration in the pencil production workshop and reduce the harm to the health of workers is a technical problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough among the above-mentioned prior art, the utility model provides a pencil workshop ventilation regulation and control mechanism, include: the system comprises a formaldehyde sensor, a single chip microcomputer, a fan control circuit, a windowing control circuit, a window opener, a ventilation fan and an electric side window of a pencil production workshop;
the formaldehyde sensor is arranged in a pencil wood processing area and a pencil surface paint processing area in a pencil production workshop;
the single chip microcomputer is connected with the formaldehyde sensor to acquire formaldehyde data of an area where the formaldehyde sensor is located;
the single chip microcomputer is connected with the ventilation fan through a fan control circuit and used for controlling the starting, the stopping and the speed regulation of the ventilation fan;
the single chip microcomputer is connected with the window opener through a window control circuit and controls the opening and closing of the electric side window of the pencil production workshop;
when the single chip microcomputer monitors that the content of formaldehyde in a certain processing area exceeds a threshold value, the single chip microcomputer controls the ventilation fan to operate to ventilate and controls the window opener to open the electric side window of the pencil production workshop.
It should be further noted that the single chip microcomputer, the fan control circuit and the windowing control circuit are respectively arranged on a main control board inside the electric cabinet;
the electric cabinet is arranged in a control room of the pencil production workshop;
a display and an alarm are arranged on the electric cabinet;
the display and the alarm are respectively connected with the singlechip;
the display displays the formaldehyde content in each treatment area;
when the single chip microcomputer monitors that the content of formaldehyde in a certain processing area exceeds a threshold value, an alarm is given out through the alarm.
It should be further noted that the main control board is also provided with an amplifying circuit and an a/D conversion circuit;
the singlechip is connected with the formaldehyde sensor through an A/D conversion circuit and an amplifying circuit.
It should be further noted that the amplifying circuit includes: a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a capacitor C1, a capacitor C2, an operational amplifier U1 and an operational amplifier U2;
the first end of the resistor R1 is connected with the output end of the amplifying circuit, and the output end of the amplifying circuit is connected with the A/D conversion circuit;
the second end of the resistor R1 is respectively connected with the first interface of the operational amplifier U1, the first end of the capacitor C1 and the first end of the resistor R2;
the second interface of the operational amplifier U1 is respectively connected with the second end of the capacitor C1, the second end of the resistor R2, the first end of the resistor R4 and the first end of the resistor R5;
the interface III of the operational amplifier U1 is grounded through a resistor R3; the second end of the resistor R4 is connected with the second interface of the operational amplifier U2;
the first interface of the operational amplifier U2 is respectively connected with the first end of the capacitor C2 and the first interface of the formaldehyde sensor;
the second formaldehyde sensor interface is connected with the second end of the resistor R5;
the third formaldehyde sensor interface is connected with the second end of the resistor R7;
the third interface of the operational amplifier U2 is connected with the first end of the resistor R6; the second end of the resistor R6 is connected with the second end of the capacitor C2 and the first end of the resistor R7 respectively.
It should be further noted that the singlechip is an STM32F103VCT6 singlechip, or an 89C51 series singlechip, or a PIC16F946 singlechip;
the PIC16F946 singlechip is provided with an LCD driver and an 8-bit CMOS flash memory with 64 pins; the method comprises the steps that a clock configuration power consumption management mode is supported, a CPU and a peripheral are started during operation, the peripheral is started but closed during idle, and the CPU and the peripheral are closed during sleep;
the A/D conversion circuit adopts 12 bits ADS7866 of TI company.
It is further noted that the formaldehyde sensor adopts a ME2-CH 2O-Phi 16 type formaldehyde sensor;
or a ZE 08-CH 2O type formaldehyde sensor is adopted.
Further, an electric switch skylight and a skylight opener are arranged in the pencil production workshop;
the single chip microcomputer is connected with the skylight window opener through the window opening control circuit and controls the opening and closing of the skylight of the electric switch.
It should be further noted that a power module for supplying power to the electrical components is further arranged inside the electric cabinet.
According to the technical scheme, the utility model has the advantages of it is following:
the utility model provides an among the pencil workshop ventilation regulation and control mechanism, the formaldehyde sensor transmits the formaldehyde concentration signal in the pencil workshop for the singlechip, and the singlechip utilizes the display to show. When the concentration of formaldehyde exceeds a certain threshold value T1And is less than a certain threshold value T2And when the pencil lead frame is in a working state, the electric side window of the pencil production workshop is opened by controlling the window opener, and the electric side window and the electric switch skylight of the pencil production workshop are automatically opened, so that natural ventilation is realized.
When the concentration of the formaldehyde exceeds a certain threshold value T2, the singlechip controls the ventilation fan to operate for ventilation, so that forced ventilation is performed; meanwhile, the single chip triggers an alarm, and the alarm sends out an alarm signal to remind workers in the workshop.
Like this, can effectual monitoring pencil workshop formaldehyde concentration, protection workshop workman's health.
The utility model discloses can take different ventilation measures according to formaldehyde concentration situation in the pencil workshop, can avoid forced draught fan continuation work to cause the unnecessary waste of electricity.
The utility model discloses a singlechip is controlled, is favorable to the development of pencil workshop towards automatically controlled direction.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a pencil production workshop ventilation regulating mechanism;
FIG. 2 is a schematic view of an embodiment of a pencil production workshop ventilation control mechanism;
FIG. 3 is a circuit diagram showing the connection between the amplifying circuit and the formaldehyde sensor.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
The utility model provides a pencil workshop ventilation regulation and control mechanism, as shown in figure 1, include: the system comprises a formaldehyde sensor 1, a singlechip 2, a fan control circuit 3, a windowing control circuit 5, a window opener 6, a ventilation fan 4 and an electric side window 7 of a pencil production workshop;
the formaldehyde sensor 1 is arranged in a pencil wood processing area and a pencil surface paint processing area in a pencil production workshop; that is to say, the formaldehyde sensor 1 is fixedly arranged in an area where formaldehyde is likely to be generated in a pencil production workshop, so that formaldehyde is monitored, other types of sensors can be arranged, and the specific arrangement of the other types of sensors is not limited.
The single chip microcomputer 2 is connected with the formaldehyde sensor 1 to obtain formaldehyde data of the area where the formaldehyde sensor 1 is located; the single chip microcomputer 2 is connected with a ventilation fan 4 through a fan control circuit 3 and controls the starting, stopping and speed regulation of the ventilation fan 4;
the single chip microcomputer 2 is connected with a window opener 6 through a window opening control circuit 5 and controls the opening and closing of an electric side window 7 of the pencil production workshop; when the single chip microcomputer 2 monitors that the content of formaldehyde in a certain processing area exceeds a threshold value, the single chip microcomputer 2 controls the ventilation fan 4 to operate for ventilation and controls the window opener 6 to open the electric side window 7 of the pencil production workshop.
The single chip microcomputer 2, the fan control circuit 3 and the windowing control circuit 5 are respectively arranged on a main control board in the electric cabinet;
the electric cabinet is arranged in a control room of the pencil production workshop; the electric cabinet is provided with a display 14 and an alarm 15; the display 14 and the alarm 15 are respectively connected with the singlechip 2; the display 14 displays the formaldehyde content in each treatment area; when the singlechip 2 monitors that the content of formaldehyde in a certain processing area exceeds a threshold value, an alarm 15 gives an alarm.
Of course, the electric control box can also be provided with control keys, input data to the singlechip 2, set alarm threshold values and the like. Of course, this can also be achieved by providing the display 14 as a touch screen.
The utility model provides an among the pencil workshop ventilation regulation and control mechanism, can realize at hardware, software, firmware or their any combination. Various features are described as modules, units or components that may be implemented together in an integrated logic device or separately as discrete but interoperable logic devices or other hardware devices. In some cases, various features of an electronic circuit may be implemented as one or more integrated circuit devices, such as an integrated circuit chip or chipset.
The utility model provides a pencil workshop ventilation regulation and control mechanism includes that one or more singlechip 2 carry out, like one or more Digital Signal Processor (DSP), general purpose microprocessor, Application Specific Integrated Circuit (ASICs), Field Programmable Gate Array (FPGA), or other equivalents are integrated circuit or discrete logic circuit. Thus, the term "processor," as used herein, may refer to any of the foregoing structure or any other structure more suitable for implementing the techniques described herein. In addition, in some aspects, the functionality described in this disclosure may be provided in software modules and hardware modules.
The utility model relates to a fan control circuit 3 and control circuit 5 of windowing can adopt conventional control circuit, and concrete circuit form does not do the restriction.
Certainly, in order to provide a ventilation effect, an electric switch skylight 9 and a skylight opener 8 are arranged in a pencil production workshop; the singlechip 2 is connected with a skylight opener 8 through a windowing control circuit 5 and controls the opening and closing of an electric switch skylight 9. The electric switch skylight 9 and the electric side window 7 in the pencil production workshop can be opened and closed at any time according to production requirements.
The electric cabinet is also internally provided with a power module 16 for supplying power to the electric elements. The power module 16 may be implemented by an external power source, or may be implemented by a lithium battery or a lead-acid battery.
It should be further noted that, as shown in fig. 2 and fig. 3, the main control board is further provided with an amplifying circuit 12 and an a/D conversion circuit 11; the singlechip 2 is connected with the formaldehyde sensor 1 through an A/D conversion circuit 11 and an amplifying circuit 12.
The amplifier circuit 12 includes: a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a capacitor C1, a capacitor C2, an operational amplifier U1 and an operational amplifier U2;
the first end of the resistor R1 is connected with the output end of the amplifying circuit 12, and the output end of the amplifying circuit 12 is connected with the A/D conversion circuit 11;
the second end of the resistor R1 is respectively connected with the first interface of the operational amplifier U1, the first end of the capacitor C1 and the first end of the resistor R2;
the second interface of the operational amplifier U1 is respectively connected with the second end of the capacitor C1, the second end of the resistor R2, the first end of the resistor R4 and the first end of the resistor R5;
the interface III of the operational amplifier U1 is grounded through a resistor R3; the second end of the resistor R4 is connected with the second interface of the operational amplifier U2;
the first interface of the operational amplifier U2 is respectively connected with the first end of the capacitor C2 and the first interface of the formaldehyde sensor 1;
the second interface of the formaldehyde sensor 1 is connected with the second end of the resistor R5;
the third interface of the formaldehyde sensor 1 is connected with the second end of the resistor R7;
the third interface of the operational amplifier U2 is connected with the first end of the resistor R6; the second end of the resistor R6 is connected with the second end of the capacitor C2 and the first end of the resistor R7 respectively.
The singlechip 2 adopts an STM32F103VCT6 singlechip 2, or an 89C51 series singlechip 2, or a PIC16F946 singlechip 2; the operational amplifier is LTc 1495.
The PIC16F946 singlechip 2 is provided with an LCD driver and an 8-bit CMOS flash memory with 64 pins; the method comprises the steps that a clock configuration power consumption management mode is supported, a CPU and a peripheral are started during operation, the peripheral is started but closed during idle, and the CPU and the peripheral are closed during sleep;
the a/D conversion circuit 11 employs a 12-bit ADS7866 of TI corporation.
The formaldehyde sensor 1 adopts an ME2-CH 2O-phi 16 type formaldehyde sensor 1; or a ZE 08-CH 2O type formaldehyde sensor 1 is adopted.
The formaldehyde sensor 1 generates corresponding oxidation-reduction reaction on the working electrode and the counter electrode and releases charges to form current, the generated current is in direct proportion to the concentration of formaldehyde and follows Faraday's law, and the concentration of the formaldehyde can be judged by testing the current.
Preferably, the formaldehyde sensor 1 transmits a formaldehyde concentration signal in the pencil production workshop to the single chip microcomputer 2, and the single chip microcomputer 2 displays the formaldehyde concentration signal by using the display 14. When the concentration of formaldehyde exceeds a certain threshold value T1And is less than a certain threshold value T2When the pencil lead frame is used, the window opener 6 is controlled to open the electric side window 7 of the pencil production workshop, and the electric side window 7 and the electric switch skylight 9 of the pencil production workshop are automatically opened, so that natural ventilation is realized.
When the concentration of the formaldehyde exceeds a certain threshold value T2, the singlechip 2 controls the ventilation fan 4 to operate for ventilation, so that forced ventilation is performed; meanwhile, the single chip microcomputer 2 triggers the alarm 15, and the alarm 15 sends out an alarm signal to remind workers in the workshop.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a pencil workshop ventilation regulation and control mechanism which characterized in that includes: the system comprises a formaldehyde sensor, a single chip microcomputer, a fan control circuit, a windowing control circuit, a window opener, a ventilation fan and an electric side window of a pencil production workshop;
the formaldehyde sensor is arranged in a pencil wood processing area and a pencil surface paint processing area in a pencil production workshop;
the single chip microcomputer is connected with the formaldehyde sensor to acquire formaldehyde data of an area where the formaldehyde sensor is located;
the single chip microcomputer is connected with the ventilation fan through a fan control circuit and used for controlling the starting, the stopping and the speed regulation of the ventilation fan;
the single chip microcomputer is connected with the window opener through a window control circuit and controls the opening and closing of the electric side window of the pencil production workshop;
when the single chip microcomputer monitors that the content of formaldehyde in a certain processing area exceeds a threshold value, the single chip microcomputer controls the ventilation fan to operate to ventilate and controls the window opener to open the electric side window of the pencil production workshop.
2. The pencil production shop ventilation regulating mechanism of claim 1,
the single chip microcomputer, the fan control circuit and the windowing control circuit are respectively arranged on a main control board in the electric cabinet;
the electric cabinet is arranged in a control room of the pencil production workshop;
a display and an alarm are arranged on the electric cabinet;
the display and the alarm are respectively connected with the singlechip;
the display displays the formaldehyde content in each treatment area;
when the single chip microcomputer monitors that the content of formaldehyde in a certain processing area exceeds a threshold value, an alarm is given out through the alarm.
3. The pencil production shop ventilation regulating mechanism of claim 2,
the main control board is also provided with an amplifying circuit and an A/D conversion circuit;
the singlechip is connected with the formaldehyde sensor through an A/D conversion circuit and an amplifying circuit.
4. The pencil production shop ventilation regulating mechanism of claim 3,
the amplifying circuit includes: a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a capacitor C1, a capacitor C2, an operational amplifier U1 and an operational amplifier U2;
the first end of the resistor R1 is connected with the output end of the amplifying circuit, and the output end of the amplifying circuit is connected with the A/D conversion circuit;
the second end of the resistor R1 is respectively connected with the first interface of the operational amplifier U1, the first end of the capacitor C1 and the first end of the resistor R2;
the second interface of the operational amplifier U1 is respectively connected with the second end of the capacitor C1, the second end of the resistor R2, the first end of the resistor R4 and the first end of the resistor R5;
the interface III of the operational amplifier U1 is grounded through a resistor R3; the second end of the resistor R4 is connected with the second interface of the operational amplifier U2;
the first interface of the operational amplifier U2 is respectively connected with the first end of the capacitor C2 and the first interface of the formaldehyde sensor;
the second formaldehyde sensor interface is connected with the second end of the resistor R5;
the third formaldehyde sensor interface is connected with the second end of the resistor R7;
the third interface of the operational amplifier U2 is connected with the first end of the resistor R6; the second end of the resistor R6 is connected with the second end of the capacitor C2 and the first end of the resistor R7 respectively.
5. The pencil production shop ventilation regulating mechanism of claim 3,
the singlechip adopts an STM32F103VCT6 singlechip, or an 89C51 series singlechip, or a PIC16F946 singlechip;
the PIC16F946 singlechip is provided with an LCD driver and an 8-bit CMOS flash memory with 64 pins; the method comprises the steps that a clock configuration power consumption management mode is supported, a CPU and a peripheral are started during operation, the peripheral is started but closed during idle, and the CPU and the peripheral are closed during sleep;
the A/D conversion circuit adopts 12 bits ADS7866 of TI company.
6. The pencil production shop ventilation regulating mechanism of claim 3,
the formaldehyde sensor adopts an ME2-CH 2O-phi 16 type formaldehyde sensor;
or a ZE 08-CH 2O type formaldehyde sensor is adopted.
7. The pencil production shop ventilation regulating mechanism of claim 3,
an electric switch skylight and a skylight opener are arranged in the pencil production workshop;
the single chip microcomputer is connected with the skylight window opener through the window opening control circuit and controls the opening and closing of the skylight of the electric switch.
8. The pencil production shop ventilation regulating mechanism of claim 2,
the electric cabinet is also internally provided with a power module for providing power for the electric elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022898823.4U CN213630770U (en) | 2020-12-04 | 2020-12-04 | Pencil workshop ventilation regulation and control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022898823.4U CN213630770U (en) | 2020-12-04 | 2020-12-04 | Pencil workshop ventilation regulation and control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213630770U true CN213630770U (en) | 2021-07-06 |
Family
ID=76638772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022898823.4U Active CN213630770U (en) | 2020-12-04 | 2020-12-04 | Pencil workshop ventilation regulation and control mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213630770U (en) |
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2020
- 2020-12-04 CN CN202022898823.4U patent/CN213630770U/en active Active
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