CN210335603U

CN210335603U - Wide sanding machine

Info

Publication number: CN210335603U
Application number: CN201920037031.2U
Authority: CN
Inventors: 黄毅
Original assignee: Colorful Life Group Co Ltd
Current assignee: Colorful Life Group Co Ltd
Priority date: 2018-12-11
Filing date: 2019-01-09
Publication date: 2020-04-17
Anticipated expiration: 2029-01-09

Abstract

The utility model relates to a wide grinder relates to mechanical equipment's technical field, the work humidity range that has a current wide grinder to set for has been solved, consequently when actual humidity appears and surpasses its biggest work humidity, will cause the interference to the normal use of wide grinder, and whether the environment humidity that the staff can't be objective understanding this moment is fit for the problem of the normal use of wide grinder, it includes humidity detection device, voltage comparison device, controlling means, be coupled in controlling means with the human detection device who receives control signal and output human detection signal, be coupled in human detection device with receive human detection signal and respond to the suggestion device of human detection signal in order to realize the suggestion, the utility model discloses have the effect that can in time inform the staff when wide grinder humidity surpasss its scope of predetermineeing.

Description

Wide sanding machine

Technical Field

The utility model belongs to the technical field of mechanical equipment's technique and specifically relates to a wide grinder is related to.

Background

The sander is a mechanical device used for finishing sanding work as the name suggests, and relates to a wide variety of industries, but industry people generally call a sander with an automatic feeding system, and other people call an abrasive belt machine, a grinding wheel machine, a polishing machine and the like.

The existing wide sander has a set working humidity range, so that when the actual humidity exceeds the maximum working humidity, the normal use of the wide sander is interfered, and a worker cannot objectively know whether the environment humidity at the moment is suitable for the normal use of the wide sander, and the wide sander has an improved space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wide grinder of effect that has the staff can in time be informed when wide grinder humidity surpasss its preset scope.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a wide sander comprises a humidity detection device, a voltage comparison device, a control device, a human body detection device and a prompting device, wherein the humidity detection device is used for detecting the humidity condition of the external environment of the wide sander and outputting a humidity detection signal, the voltage comparison device is preset with a humidity reference signal and is coupled to the humidity detection device to receive the humidity detection signal, compare the humidity detection signal with the humidity reference signal and output a voltage comparison signal, the control device is coupled to the voltage comparison device to receive the voltage comparison signal and output a control signal, the human body detection device is coupled to the control device to receive the control signal and output a human body detection signal, and the prompting device is coupled to the human body detection device to receive the human body detection signal and responds to the human body detection.

Adopt above-mentioned scheme, here can realize the detection to the humidity of wide grinder through humidity detection device, and can realize comparing the humidity that detects and the humidity that sets up through voltage comparison device, can effectively control human detection device whether someone detects around through controlling means in addition, and if someone around, will indicate so that the staff in near through suggestion device carries out timely processing.

Preferably, the humidity detection device further comprises a signal amplification device arranged between the humidity detection device and the voltage comparison device to amplify the humidity detection signal.

Adopt above-mentioned scheme, here can effectively amplify humidity detected signal through signal amplification device, can effectively avoid humidity detected signal because its signal is low and can't carry out normal transmission when transmitting through the enlargiing to humidity detected signal.

Preferably, the voltage comparing device includes a humidity reference circuit for outputting a humidity reference signal, and a voltage comparing circuit coupled to both the humidity reference circuit and the humidity detecting device and comparing the humidity reference signal and the humidity detecting signal and outputting a voltage comparing signal.

By adopting the scheme, the setting of the humidity reference circuit can facilitate the setting of corresponding normal humidity by a worker according to the requirement, and then the comparison between the humidity and the normal humidity is realized through the voltage comparison circuit.

Preferably, the control device includes a determination circuit coupled to the voltage comparison device for receiving the voltage comparison signal and outputting a determination signal, and a control circuit coupled to the determination circuit for receiving the determination signal and outputting a control signal.

By adopting the scheme, the judgment of the high and low levels of the voltage comparison signal can be realized through the setting of the judgment circuit, and the corresponding judgment signal can be output through the setting of the control circuit to effectively control the human body detection device to carry out human body detection.

Preferably, the prompting device includes a light prompting circuit coupled to the human body detecting device to receive the human body detecting signal and respond to the human body detecting signal to implement the light prompting, a delay switching device coupled to the human body detecting device to receive the human body detecting signal and respond to the human body detecting signal to receive the human body detecting device and output a delay switching signal, and a sound prompting circuit coupled to the delay switching device to receive the delay switching signal and respond to the delay switching signal to implement the sound prompting.

Adopt above-mentioned scheme, here can realize reminding the staff who is observing through the setting of light prompting circuit, and can realize reminding through the form of sound to the staff who does not normally perceive through the setting of sound prompting circuit, and the setting can in time cut off the mode of light suggestion when light prompting circuit does not have the suggestion effect as the time delay auto-change over device who links up between the two, change and point out with the mode of sound suggestion, when guaranteeing the suggestion effect, can also reduce the loss of the energy.

Preferably, the light prompting circuit includes a switching part coupled to the human body detection device to receive the human body detection signal and output a switching signal, and a light emitting part coupled to the switching part to receive the switching signal and emit light in response to the switching signal.

With the above arrangement, the switching section can be provided to prompt the light emitting section to switch, and the light emitting section can emit light in a stroboscopic manner.

Preferably, the wide sander further comprises a delay cut-off device coupled to the delay switching device to receive the delay switching signal to delay cut off the sound prompt circuit.

By adopting the scheme, the voice prompt circuit can be automatically cut off within the set time through the time delay cutting device, and the voice prompt circuit is prevented from sounding for a long time to prompt workers.

Preferably, the remote prompting device further comprises a remote prompting circuit which is coupled with the control device to realize remote prompting.

Adopt above-mentioned scheme, here through remote prompting circuit to the staff in the distant place, avoid not knowing when the staff is not on the spot.

To sum up, the utility model discloses following beneficial effect has: the humidity detection device and the voltage comparison device are matched to detect whether the humidity meets the normal standard or not; the prompt device and the remote prompt circuit are arranged, so that whether a worker is on the spot or not can be correspondingly prompted.

Drawings

Fig. 1 is a schematic view of a wide sander.

Fig. 2 is a circuit connection of the humidity detection device, the voltage comparison device, the signal amplification device, and the control device.

Fig. 3 is a circuit connection diagram of the human body detection device, the prompting device, the time delay cutting device and the remote prompting circuit.

In the figure: 1. a humidity detection device; 2. a voltage comparison device; 3. a control device; 4. a human body detection device; 5. a remote alert circuit; 6. a signal amplification device; 7. a humidity reference circuit; 8. a voltage comparison circuit; 9. a prompting device; 10. a light prompting circuit; 11. a voice prompt circuit; 12. a switching unit; 13. a light emitting section; 14. a time-delay cut-off device; 15. a judgment circuit; 16. a control circuit; 17. and a delay switching device.

Detailed Description

As shown in fig. 2 and 3, the wide sander includes a humidity detection device 1 for detecting a humidity condition of an external environment of the wide sander and outputting a humidity detection signal, a voltage comparison device 2 preset with a humidity reference signal and coupled to the humidity detection device 1 to receive the humidity detection signal, compare the humidity detection signal with the humidity reference signal, and output a voltage comparison signal, a control device 3 coupled to the voltage comparison device 2 to receive the voltage comparison signal and output a control signal, a human detection device 4 coupled to the control device 3 to receive the control signal and output a human detection signal, and a prompt device 9 coupled to the human detection device 4 to receive the human detection signal and respond to the human detection signal to prompt.

As shown in fig. 2, the humidity detection device 1 includes a resistor R1 having one end connected to ground and a humidity sensing resistor RS having one end connected to the resistor R1 and the other end connected to a power source VCC, where the humidity sensing resistor RS is model HR 202L.

As shown in fig. 2, the wide sander further includes a signal amplification device 6 disposed between the humidity detection device 1 and the voltage comparison device 2 to amplify the humidity detection signal.

The signal amplifying device 6 comprises a resistor R2 with one end connected to the connection point of the resistor R1 and the humidity sensitive resistor RS, a voltage amplifier a1 with a positive phase input end connected to the resistor R2, a slide rheostat RP1 with a control end connected to the negative phase input end of the voltage amplifier a1, and a resistor R3 with one end connected to the slide rheostat RP1 and the other end connected to the ground, wherein the model of the voltage amplifier a1 is AD 620.

As shown in fig. 2, the voltage comparison device 2 includes a humidity reference circuit 7 for outputting a humidity reference signal and a voltage comparison circuit 8 coupled to the humidity reference circuit 7 and the humidity detection device 1 for simultaneously receiving the humidity reference signal and the humidity detection signal, comparing the humidity reference signal and the humidity detection signal and outputting a voltage comparison signal.

As shown in fig. 2, the humidity reference circuit 7 includes a slide rheostat RP2 having one end grounded, a resistor R4 having one end connected to the slide rheostat RP2 and the other end connected to the power supply; the voltage comparator circuit 8 is a voltage comparator a2 having a non-inverting input terminal connected to the voltage amplifier a1 and an inverting input terminal connected to a connection point of the resistor R4 and the sliding resistor RP2, and the voltage comparator a2 is LM 393.

As shown in fig. 2, the control device 3 includes a determining circuit 15 coupled to the voltage comparing device 8 for receiving the voltage comparing signal and outputting a determining signal, and a control circuit 16 coupled to the determining circuit 15 for receiving the determining signal and outputting a control signal.

As shown in fig. 2, the determining circuit 15 is a transistor Q1 with a base connected to the output terminal of the voltage comparator a2, the control circuit 16 is a relay KM1 with one end grounded and the other end connected to the emitter of the transistor Q1, the relay KM1 is HH52P, and the transistor Q1 is NPN and S9014.

As shown in fig. 3, the human body detecting device 4 includes a pyroelectric infrared sensor having one end connected to a switch KM1-1 controlled by a relay KM1, a resistor R5 having one end connected to the pyroelectric infrared sensor, a relay KM2 having one end connected to the resistor R5 and the other end grounded, the pyroelectric infrared sensor being herein PIR200B, and the relay KM2 being herein HH 52P.

As shown in fig. 3, the prompting device 9 includes a light prompting circuit 10 coupled to the human body detecting device 4 for receiving the human body detecting signal and responding to the human body detecting signal to implement light prompting, a delay switching device 17 coupled to the human body detecting device 4 for receiving the human body detecting signal and responding to the human body detecting signal to receive the human body detecting device 4 and output a delay switching signal, and a sound prompting circuit 11 coupled to the delay switching device 17 for receiving the delay switching signal and responding to the delay switching signal to implement sound prompting.

As shown in fig. 3, the acoustic prompt circuit 11 is a speaker BL1 with one end connected to ground and the other end connected to a switch KT1-1, and in order to cut off the acoustic prompt circuit 11 within a set time, the wide sander further includes a delay cut-off device 14 coupled to the control device 3 to delay cut-off the acoustic prompt circuit, where the delay cut-off device 14 includes a time relay KT1 with one end connected to the switch KM2-1 and the other end connected to ground, and where the time relay KT1 is H3Y-2.

As shown in fig. 3, the light prompting circuit 10 includes a switching portion 12 for outputting a switching signal, and a light emitting portion 13 coupled to the switching portion 12 for receiving the switching signal and emitting light in response to the switching signal.

The switching part 12 comprises a time relay KT2 with one end grounded, a switch KT3-1 with one end connected to a time relay KT2 and the other end connected to a switch KM2-2, a time relay KT3 with one end grounded, a switch KT2-1 with one end connected to a time relay KT3 and the other end connected to an emitter of a triode Q1, a switch KT2-2 with one end connected to a switch KT3-1, wherein the switch KT2-1 and the switch KT2-2 are both controlled by the time relay KT2, the switch KT3-1 is controlled by the time relay KT3, a light emitting part 13 is a light emitting diode D1 with an anode connected to the switch KT2-2 and a cathode grounded, and the models of the time relay KT3 and the time relay KT2 are both H3 36.

The working process is as follows: in the work, firstly, the light emitting diode D1 is triggered to emit light, meanwhile, the time relay KT2 starts timing, when the time set by the time relay KT2 is up, the corresponding trigger KT2-2 is turned off, at the moment, the light emitting diode D1 stops emitting light, at the same time, the trigger switch KT2-1 is turned on, at the moment, the time relay KT3 starts timing, when the time set by the time relay KT3 is up, the corresponding trigger switch KT3-1 is turned off, at the moment, the light emitting diode D1 is equivalently restarted, and in sum, the stroboscopic effect of the light emitting diode D1 is.

In addition, in order to realize the hierarchical prompt and avoid the energy waste caused by simultaneously carrying out acousto-optic prompt, the time delay switching device is a time relay KT1 of which one end is connected with the switch KT1-1 and the other end is grounded, and the model of the time relay KT1 is H3Y-2.

In order to prevent the prompting device 9 from prompting too long time, the wide sander further comprises a delay cut-off device 14 coupled to the delay switch device 17 for receiving the delay switch signal to cut off the sound prompting circuit 11 in a delay manner, the delay cut-off device 14 is a time relay KT4 with one end connected to the switch KT1-1 and the other end grounded, and the time relay KT4 is H3Y-2 in model number.

In addition, in order to realize prompting the off-site staff, the remote prompting device further comprises a remote prompting circuit 5 coupled to the control device 3 to realize remote prompting, wherein the remote prompting circuit 5 is a WIFI alarm with one end connected to the switch KM1-1 and the other end grounded, and a corresponding alarm signal can be transmitted to a mobile phone or a computer client of the related staff through the WIFI alarm to realize prompting of the remote staff.

The specific working process is as follows:

the humidity sensor is used for effectively detecting the external ambient humidity of the wide sander, the humidity sensor RS descends along with the rise of the external ambient humidity, the voltage loaded on the resistor R1 rises, and a corresponding humidity detection signal is output at the moment.

When the humidity detection signal is amplified sequentially through the resistor R2 and the voltage amplifier a1 and then input to the voltage comparator a2, the voltage comparator a2 compares the humidity reference signal formed by the sliding rheostat RP2 and the resistor R4 and outputs a corresponding voltage comparison signal to the transistor Q1.

And if and only if the humidity detection signal is greater than the humidity reference signal, the transistor Q1 is conducted, and the trigger relay KM1 is conducted.

When the relay KM1 is switched on, the corresponding trigger switch KM1-1 is closed, the pyroelectric infrared sensor is triggered to detect whether people exist around, and whether workers are present or not can be prompted to remote workers through a WIFI alarm.

Meanwhile, the relay KM2 is triggered to start working, the switch KM2-2 is in a closed state at the moment, the light-emitting diode D1 emits light in a stroboscopic mode, when the light-emitting time of the light-emitting diode D1 reaches a preset time, the light-emitting diode D1 emits light in a stroboscopic mode through the delay switching device 17, the voice prompt circuit 11 is started to prompt, and the voice prompt circuit D is cut off within a preset time period of the delay cutting device 14.

In conclusion, effectively realized the detection to wide grinder external environment humidity, can pass through suggestion device 9 and corresponding remote prompt circuit 5 when humidity is too high and indicate the staff of guard.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The wide sander is characterized in that: the device comprises a humidity detection device (1) for detecting the humidity condition of the external environment of the wide sanding machine and outputting a humidity detection signal, a voltage comparison device (2) which is preset with a humidity reference signal and is coupled to the humidity detection device (1) to receive the humidity detection signal, compare the humidity detection signal with the humidity reference signal and output a voltage comparison signal, a control device (3) which is coupled to the voltage comparison device (2) to receive the voltage comparison signal and output a control signal, a human body detection device (4) which is coupled to the control device (3) to receive the control signal and output a human body detection signal, and a prompt device (9) which is coupled to the human body detection device (4) to receive the human body detection signal and responds to the human body detection signal to realize prompt;

the prompting device (9) comprises a light prompting circuit (10) which is coupled with the human body detection device (4) to receive the human body detection signal and responds to the human body detection signal to realize light prompting, a time delay switching device (17) which is coupled with the human body detection device (4) to receive the human body detection signal and responds to the human body detection signal to receive the human body detection device (4) and output a time delay switching signal, and a sound prompting circuit (11) which is coupled with the time delay switching device (17) to receive the time delay switching signal and responds to the time delay switching signal to realize sound prompting;

the light prompting circuit (10) comprises a switching part (12) which is coupled with the human body detection device (4) to receive the human body detection signal and output a switching signal, and a light emitting part (13) which is coupled with the switching part (12) to receive the switching signal and responds to the switching signal to realize light emission;

the wide sander also comprises a time delay cutting device (14) which is coupled with the time delay switching device (17) and used for receiving the time delay switching signal to cut off the sound prompt circuit (11) in a time delay way;

the remote prompting device also comprises a remote prompting circuit (5) which is coupled with the control device (3) to realize remote prompting.

2. The wide sander as set forth in claim 1, wherein: the humidity detection device also comprises a signal amplifying device (6) which is arranged between the humidity detection device (1) and the voltage comparison device (2) and used for amplifying the humidity detection signal.

3. The wide sander as set forth in claim 1, wherein: the voltage comparison device (2) comprises a humidity reference circuit (7) for outputting a humidity reference signal, and a voltage comparison circuit (8) which is coupled to the humidity reference circuit (7) and the humidity detection device (1) and compares the humidity reference signal with the humidity detection signal and outputs a voltage comparison signal.

4. The wide sander as set forth in claim 1, wherein: the control device (3) comprises a judging circuit (15) which is coupled with the voltage comparing device (2) to receive the voltage comparing signal and output a judging signal, and a control circuit (16) which is coupled with the judging circuit (15) to receive the judging signal and output a control signal.