TWI750046B - Oil mist collector - Google Patents

Abstract

A oil mist collector is provided, including: a main body, including a chamber, an inlet opening, a passageway, a suction unit, the chamber respectively communicated with the inlet opening and the passageway; a first filter unit, disposed within the chamber; a first filter unit, disposed within the chamber; a valve, disposed on the main body and being openable closed the passageway; and a sensor control unit, disposed on the main body, and sensed a current state of the first filter unit; wherein, the passageway is respectively communicated between the first filter unit and the second filter unit, the sensor control unit selectively to open or close the passageway according to the current state of first filter unit.

Description

Oil mist recovery machine

The invention relates to an oil mist recovery machine.

Generally, the cutting fluid or cooling fluid of industrial CNC machines is easy to produce toxic substances after being processed and heated during the operation, which will pollute the entire working environment, which will affect the health of workers in the contaminated working environment. Therefore, an oil mist recovery machine will be installed on the industrial CNC machine to recover toxic oil mist.

The conventional oil mist recovery machine uses a filter material to filter the oil mist. When the filter material absorbs excessive oil mist, it will be blocked and cannot effectively remove the oil mist. However, the conventional oil mist recovery machine can only be monitored at any time by manual means. And adjust the filter material, resulting in low efficiency and difficult to find the situation immediately.

Therefore, it is necessary to provide a novel and progressive oil mist recovery machine to solve the above-mentioned problems.

The main purpose of the present invention is to provide an oil mist recovery machine, which provides automatic monitoring and can be selected and controlled as one or more stages of filtration according to the filtration efficiency of a first filtration unit.

In order to achieve the above object, the present invention provides an oil mist recovery machine, which includes: a main body including a chamber, an air inlet, a passage, and an air suction unit, the chamber communicates with the air inlet and the passage; The first filter unit is arranged in the chamber; a first filter unit is arranged in the chamber; a valve is arranged on the main body and can openably close the passage; and a sensor unit is arranged on the main body , Sensing and determining a current state of the first filter unit; wherein the channel is connected between the first filter unit and the second filter unit, and the sensing unit is based on the current state of the first filter unit sensed To selectively control the valve to open or close the passage; wherein, the sensing control unit is arranged in the main body and located between the chamber and the passage, and the sensing control unit senses an environment of the main body and the first filter unit At least one of them generates a current filter performance value. The sensor control unit defines a standard value. When the sensor control unit determines that the current filter performance value is less than the standard value, the current state is abnormal, and the sensor control unit controls the The valve opens the channel.

The following examples are only used to illustrate the possible implementation aspects of the present invention, but they are not intended to limit the scope of protection of the present invention, and are described first.

Please refer to FIGS. 1 to 5, which show a first preferred embodiment of the present invention. The oil mist recovery machine 1 of the present invention includes a main body 10, a first filter unit 20, a second filter unit 30, and a valve 40 and a sensor unit 50.

The main body 10 includes a chamber 11, an air inlet 12, a passage 13, and an air suction unit 14. The chamber 11 communicates with the air inlet 12 and the passage 13; the first filter unit 20 is arranged in the cavity In the chamber 11; the second filter unit 30 is located in the main body 10; the valve 40 is located in the main body 10 and can open the channel 13; the sensing unit 50 is located in the main body 10, and the sensing unit 50 senses Measure (and determine) a current state of the first filter unit 20; wherein, the channel 13 is connected between the first filter unit 20 and the second filter unit 30, and the sensing unit 50 is based on the sensing of the first filter unit 20 The current state of the filter unit 20 can be used to selectively control the valve 40 to open or close the channel 13; thereby, automated monitoring is provided and can be selected and controlled as one or more stages of filtering according to the filtering performance of the first filter unit 20. The filtering time is long and the replacement frequency of the first filtering unit 20 and the second filtering unit 30 can be reduced.

The valve 40 is a baffle mechanism, and the baffle mechanism is movably arranged in the main body 10 and can openly cover the passage 13. Specifically, the main body 10 further includes an exhaust port 15 (a mesh structure with a plurality of exhaust holes may be provided above), the exhaust port 15 is for communicating the chamber 11 with an outside, and the suction unit 14 Located between the first filter unit 20 and the exhaust port 15, the sensing control unit 50 can control the baffle mechanism to selectively open the exhaust port 15 or the channel 13 and cover the other. The main body 10 further includes a diversion chamber 16 communicating with the channel 13, the exhaust port 15 and the suction unit 14, and the baffle mechanism is swingably disposed on the diversion chamber. Chamber 16. Preferably, the main body 10 further includes a diversion hole 17 which communicates with Between the diversion chamber 16 and the suction unit 14, when the baffle mechanism opens the channel 13, the baffle mechanism is inclined and corresponds to the diversion hole 17, so as to change the gas flow direction, that is, The first filter unit 20 has good filtering performance, so the filtered gas is selected to be discharged from the exhaust port 15 (as shown in FIG. 3); otherwise, the gas filtered by the first filter unit 20 is introduced into the second filter Unit 30 filters again (Figure 4).

The main body 10 further includes an accommodating space 18, the accommodating space 18 is connected to the exhaust port 15 and the chamber 11, the suction unit 14 and the sensing unit 50 are respectively disposed in the accommodating space 18, so The sensing control unit 50 can sense the particle concentration value near the exhaust port 15 and the inlet and outlet pressure difference value in the accommodating space 18.

The sensing control unit 50 is disposed in the main body 10 and located between the chamber 11 and the passage 13. The sensing control unit 50 senses at least one of an environment of the main body 10 and the first filter unit 20 to generate A current filtering performance value. The sensing control unit 50 defines a standard value. When the sensing control unit 50 determines that the current filtering performance value is less than the standard value, the current state is abnormal, and the sensing control unit 50 controls the valve 40 to open The channel 13.

The first filter unit 20 is a plate discharge filter unit, and the current filter performance value includes at least one of a plate discharge frequency value of the plate discharge filter unit and a plate low voltage KV value of the plate discharge filter unit By. Preferably, the current filtering efficiency value further includes at least one of the inlet and outlet pressure difference between the air inlet 12 and the air outlet 15, and the particle concentration value of the air outlet 15, so it can be automatically The filtering efficiency of the first filtering unit 20 can be accurately determined based on a single or multiple current filtering performance values.

The oil mist recovery machine 1 further includes a wireless transmission unit 60. The sensing control unit 50 generates an abnormal signal when the current state is abnormal. The wireless transmission unit 60 is provided in a wireless manner (such as Wi-Fi, Bluetooth, Infrared, or other wireless transmission methods) transmit the abnormal signal to an electronic device 2 (such as a mobile device or other electronic device), so that even on-site or off-site personnel can know the filtering performance.

The main body 10 further includes a chamber 19, a wall portion 191, and a discharge port 192 communicating with an outside (a mesh structure with a plurality of exhaust holes may be provided above). The wall portion 191 is provided in the chamber 11 and Between the chambers 19, the passage 13 is provided on the wall 191, the chamber 19 communicates with the discharge port 192 and the passage 13, and the second filter unit 30 is provided in the chamber 19 to prevent the second The filter unit 30 is contaminated by foreign matter such as toxic oil mist or dust in the external environment to maintain its filtering performance, thereby providing high filtering efficiency; furthermore, the gas filtered by the second filter unit 30 can be discharged or re-exhausted by the discharge port 192 Enter the first filter unit 20 to filter.

Please refer to Figures 6 to 7, which shows a second preferred embodiment of the present invention, which is a centrifugal oil mist recovery machine. The main body 10' further includes a cylinder 102 with an upward opening 101 and a diversion structure on the bottom surface. A hollow guide part 103 is detachably installed in the opening 101 to facilitate replacement, cleaning and maintenance. The suction unit 14 is arranged on the cylinder 102, and the chamber 11 surrounds the suction The unit 14 extends circumferentially, the first filter unit 20 is ring-shaped, the air inlet 12 is provided on the cylinder 102, the guide portion 103 is provided on the cylinder 102 and closes the opening 101, the guide portion 103 A diversion port 104 is provided, the second filter unit 30 is disposed at the diversion port 104 and outside the diversion portion 103, the channel 13 and the valve 40 are respectively disposed in the diversion portion 103, and the channel 13 is located Between the diversion port 104 and the opening 101; the air suction unit 14 is used to introduce the oil mist-containing air through the diversion structure of the cylinder 102 to perform centrifugation. The guide portion 103 is provided with a discharge port 105 communicating with an outside. The discharge port 105 and the second filter unit 30 are located on opposite sides of the channel 13, and the discharge port 105 can be discharged through the first filter unit 20. Clean gas.

The arrows in Figs. 2 to 4 and Figs. 6 to 7 indicate the gas flow direction.

1: Oil mist recovery machine

2: electronic device

10,10’: main body

11: Chamber

12: Air inlet

13: Channel

14: suction unit

15: Exhaust port

16: diversion chamber

17: diversion hole

18: accommodating space

19: Room

191: Wall

192, 105: discharge port

101: opening

102: cylinder

103: Diversion part

104: Diversion port

20: The first filter unit

30: The second filter unit

40: Valve

50: Sensing control unit

60: wireless transmission unit

Figure 1 is a perspective view of a first preferred embodiment of the present invention.

Figure 2 is a cross-sectional view of a first preferred embodiment of the present invention.

Figure 3 is another cross-sectional view of a first preferred embodiment of the present invention.

Figure 4 is still another cross-sectional view of a first preferred embodiment of the present invention.

Figure 5 is a block diagram of a first preferred embodiment of the present invention.

Figure 6 is a cross-sectional view of a second preferred embodiment of the present invention.

Figure 7 is another cross-sectional view of a second preferred embodiment of the present invention.

1: Oil mist recovery machine

10: main body

12: Air inlet

15: Exhaust port

192: Drain

60: wireless transmission unit

Claims (9)

An oil mist recovery machine includes: a main body, including a chamber, an air inlet, a passage, and an air suction unit; the chamber communicates with the air inlet and the passage; and a first filter unit arranged on the Chamber; a second filter unit, located in the main body; a valve, located in the main body and openable to close the passage; and a sensing unit, located in the main body, sensing the current of one of the first filter units State; wherein, the channel is connected between the first filter unit and the second filter unit, and the sensing unit selects and controls the valve to open or close the channel according to the current state of the first filter unit sensed; wherein, The sensing control unit is disposed in the main body and located between the chamber and the passage. The sensing control unit senses at least one of an environment of the main body and the first filter unit to generate a current filtering performance value, the The sensing control unit defines a standard value. When the sensing control unit determines that the current filtering performance value is less than the standard value, the current state is abnormal, and the sensing control unit controls the valve to open the channel. The oil mist recovery machine according to claim 1, wherein the first filter unit is a plate discharge filter unit, and the current filtering performance value includes a plate discharge frequency value of the plate discharge filter unit and the plate discharge At least one of the low-voltage KV values of one of the plates of the filter unit. The oil mist recovery machine according to claim 1, wherein the valve is a baffle mechanism, and the baffle mechanism is movably arranged in the main body and can openably cover the passage. The oil mist recovery machine according to claim 3, wherein the main body further includes an exhaust port for communicating the chamber and an outside, and the suction unit is located between the first filter unit and the exhaust port Meanwhile, the sensing control unit can control the baffle mechanism to selectively open the exhaust port or the passage and cover the other. The oil mist recovery machine according to claim 4, wherein the main body further includes a diversion chamber connected between the passage, the exhaust port and the suction unit, and the baffle mechanism can Swingingly arranged in the diversion chamber. The oil mist recovery machine according to claim 5, wherein the main body further includes a diversion hole connected between the diversion chamber and the suction unit, and when the baffle mechanism opens the passage, The baffle mechanism is arranged obliquely and corresponds to the diversion hole. The oil mist recovery machine according to claim 6, wherein the first filter unit is a plate discharge filter unit, and the current filter performance value includes a plate discharge frequency value of the plate discharge filter unit and the plate discharge One of the electrode plates of the filter unit has at least one of the low-pressure KV values; the main body further includes an accommodating space, the accommodating space is connected to the exhaust port and the chamber, the suction unit and the sensing control unit are respectively disposed in the In the accommodating space; the current filtering efficiency value further includes at least one of an inlet and outlet pressure difference between the air inlet and the air outlet, and a particle concentration value of the air outlet; the oil mist recovery machine It also includes a wireless transmission unit, the sensing control unit generates an abnormal signal when the current state is abnormal, and the wireless transmission unit wirelessly transmits the abnormal signal to an electronic device. The oil mist recovery machine according to any one of claims 1 to 7, wherein the main body further includes a chamber, a wall, and a discharge port communicating with an outside, and the wall is provided in the chamber and the chamber. Between the chambers, the channel is provided in the wall, the chamber communicates with the discharge port and the channel, and the second filter unit is provided in the chamber. The oil mist recovery machine according to any one of claims 1 to 7, wherein the main body further includes a cylinder with an upward opening and a diversion structure provided on the bottom surface and a hollow diversion part, and the suction unit is provided with In the barrel, the chamber extends circumferentially around the suction unit, the first filter unit is ring-shaped, the air inlet is provided in the barrel, and the guide portion is provided in the barrel and closes the opening, The diversion part is provided with a diversion opening, the The second filter unit is arranged at the diversion port and located outside the diversion portion, the channel and the valve are respectively disposed in the diversion portion, and the channel is located between the diversion port and the opening.

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