CN206410759U - Liquid level detection device and fluid level control device - Google Patents
Liquid level detection device and fluid level control device Download PDFInfo
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- CN206410759U CN206410759U CN201720089165.XU CN201720089165U CN206410759U CN 206410759 U CN206410759 U CN 206410759U CN 201720089165 U CN201720089165 U CN 201720089165U CN 206410759 U CN206410759 U CN 206410759U
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- liquid level
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Abstract
The utility model provides a kind of liquid level detection device and fluid level control device, is related to control or the regulating system technical field of on-electric variable.Liquid level detection device includes float, float guide rod, and float fluctuates with the change of liquid level；Also include being provided with slide rail on fixed mount, fixed mount, float guide rod passes through slide rail, slided up and down along slide rail；Also include signal induction device, signal induction device includes inductor and sensor block, and sensor block is located at the second end of float guide rod；Sensor block is located at one end of inductor, the height of induction level.The utility model additionally provides fluid level control device.By the induction effect between inductor and sensor block, to detect the height of liquid level, so as to alleviate the existing liquid level detection device technical problem inaccurate to level sensing.
Description
Technical field
The utility model is related to control or the regulating system technical field of on-electric variable, more particularly, to a kind of level sensing
Device and fluid level control device.
Background technology
In industrial and agricultural production and daily life application, it is often necessary to the liquid level in container is automatically controlled, such as
Automatically control liquid automatic controls such as refrigerator, pond, industrial container etc..Equally, in coating process, to realize oneself in hopper
Dynamic charging is, it is necessary to which the liquid level to hopper inside courtyard is automatically controlled.
Existing control mode has two kinds, and one kind is mechanical float-controlled valve, and major control mode is swum on liquid level
Float is connected with linkage, when liquid level changes, and drivening rod mechanism produces displacement above and below float, is used directly to driving
Valve event, turns off or on into liquid level mouthful, adjusts liquid level；Another is float liquid level switch, and major control mode is magnetic
Float rises or dropped with liquid level, makes the tongue tube chip activity of setting position in sensor detection pipe, sends node and opens (pass) conversion
Signal.
In above-mentioned control mode, the problem of having following：Existing mechanical float-controlled valve operation stability is poor, liquid level inspection
Survey inaccurate；Float liquid level switch is located inside material, is easily influenceed by outside causes such as temperature, level sensing is inaccurate.
Utility model content
The purpose of this utility model is to provide a kind of liquid level detection device and fluid level control device, to alleviate existing liquid
The level detecting apparatus technical problem inaccurate to level sensing.
The liquid level detection device that the utility model is provided, including float, float guide rod, the float and the float guide rod
First end connection, the float fluctuates with the change of liquid level；The liquid level detection device also includes fixed mount, described solid
Determine to be provided with slide rail on frame, the float guide rod passes through the slide rail, slides up and down along the slide rail；The liquid level detection device
Also include signal induction device, the signal induction device includes inductor and sensor block, and the sensor block is located at the float
Second end of guide rod；The sensor block is located at the side of the inductor；The sensor block is located at the detection zone of the inductor
The top in domain, the liquid level is in high level；The sensor block is located at the bottom of the detection zone of the inductor, the liquid level
In low liquid level.
Further, the inductor is magnetic inductor, and the sensor block is conductor block, and the conductor block is with the float
Sliding up and down for guide rod and slide up and down, cutting magnetic induction line.
Further, the inductor is photoelectric sensor, and the inductor is photoelectric sensor, the sensor block sensing
The light that the photoelectric sensor is sent, detects the height of liquid level.
Further, the liquid level detection device also includes relay and signal indicating device, the signal induction device
It is electrically connected with the relay and the signal indicating device, the signal indicating device is located at the sense in the sensor block
The top and the sensor block of answering the detection zone of device are located at the bottom alarm of the detection zone of the inductor.
Further, the signal indicating device is buzzer.
Further, the slide rail is spacing hole.
Further, the slide rail is guide rail, and the fixed mount setting is transparent, and scale is provided with the slide rail
Pointer is provided with line, the float guide rod.
Further, the float is ball float.
A kind of fluid level control device that the utility model is provided, including above-mentioned liquid level detection device.
Further, the fluid level control device includes pneumatic operated valve and fluid infusion passage, and the fluid infusion passage is by described pneumatic
Valve is controlled；The sensor block is located at the top of the detection zone of the inductor, controls the opening of pneumatic operated valve, the fluid infusion passage
Close；The sensor block is located at the bottom of the detection zone of the inductor, controls the closing of pneumatic operated valve, and the fluid infusion passage is opened
Open.
The first end of the liquid level detection device that the utility model is provided, including float, float guide rod, float and float guide rod
Connection, float fluctuates with the change of liquid level；Liquid level detection device also includes being provided with slide rail on fixed mount, fixed mount, floats
Sub- guide rod is slided up and down through slide rail along slide rail；Liquid level control detection means also includes signal induction device, signal induction device bag
Inductor and sensor block are included, sensor block is located at the second end of float guide rod；Sensor block is located at the side of inductor；Sensor block is located at
The top of the detection zone of inductor, liquid level is in high level；Sensor block is located at the bottom of the detection zone of inductor, liquid level
In low liquid level.By the induction effect between inductor and sensor block, to detect the height of liquid level, so as to alleviate existing liquid
The level detecting apparatus technical problem inaccurate to level sensing.
The fluid level control device that the utility model is provided, including above-mentioned liquid level detection device.Pass through inductor and sensing
Induction effect between block, to detect the height of liquid level, so that it is not smart to level sensing to alleviate existing liquid level detection device
True technical problem.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the liquid level detection device that the utility model embodiment 1 is provided；
Fig. 2 is that the sensor block lower limit for the liquid level detection device that the utility model embodiment 1 is provided completely disengages from inductor
Structural representation；
Fig. 3 is that the sensor block upper limit for the liquid level detection device that the utility model embodiment 1 is provided completely disengages from inductor
Structural representation；
Fig. 4 is the structural representation with signal indicating device for the liquid level detection device that the utility model embodiment 1 is provided
Figure；
Fig. 5 is the structural representation for the liquid level detection device that the utility model embodiment 2 is provided；
Fig. 6 is the structural representation for the liquid level detection device that the utility model embodiment 3 is provided.
Icon：100- floats；101- float guide rods；102- fixed mounts；1020- slide rails；103- induction of signal is filled
Put；1030- inductors；1031- sensor blocks；104- pneumatic operated valves；105- relays；106- signal indicating devices；107-
Pointer；108- fluid infusion passages.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only
Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Embodiment 1
The utility model provides a kind of liquid level detection device, and provides embodiments thereof.Fig. 1 is that the utility model is real
The structural representation of the liquid level detection device of the offer of example 1 is provided；Fig. 2 is the liquid level detection device that the utility model embodiment 1 is provided
Sensor block lower limit completely disengage from the structural representation of inductor；Fig. 3 is the level sensing dress that the utility model embodiment 1 is provided
The sensor block upper limit put completely disengages from the structural representation of inductor.In the embodiment of liquid level detection device, such as Fig. 1-3
Shown, liquid level detection device includes float 100, float guide rod 101, and float 100 is connected with the first end of float guide rod 101, floats
Son 100 fluctuates with the change of liquid level；Liquid level detection device also includes being provided with slide rail on fixed mount 102, fixed mount 102
1020, float guide rod 101 passes through slide rail 1020, is slided up and down along slide rail 1020；Liquid level detection device also includes induction of signal and filled
103 are put, signal induction device 103 includes inductor 1030 and sensor block 1031, sensor block 1031 is located at float guide rod 101
Second end；Sensor block 1031 is located at the side of inductor 1030；Sensor block 1031 is located at the upper of the detection zone of inductor 1030
Portion, liquid level is in high level；Sensor block 1031 is located at the bottom of the detection zone of inductor 1030, and liquid level is in low liquid level.It is logical
The induction effect crossed between inductor 1030 and sensor block 1031, to detect the height of liquid level, so as to alleviate existing liquid level
The detection means technical problem inaccurate to level sensing.
Specifically, slide rail 1020 is spacing hole.Float guide rod 101 fluctuates along spacing hole with the change of liquid level.
Specifically, inductor 1030 is electromagnetic inductor, and sensor block 1031 is conductor block, and conductor block is with float guide rod 101
Slide up and down and slide up and down, cutting magnetic induction line.
Further, electromagnetic inductor can sense the metal object into oneself detection zone, and draw oneself up internal electricity
The magnetic field for opening or closing or switching oneself generation on road, can cause the change in magnetic field, this change when there is metal object to enter magnetic field
Change can become electric signal by switch internal circuit.
Specifically, float 100 is ball float.Float 100 is used as the critical component of induction level, diameter and length of side identical ball
Body or cuboid or square, the volume of spheroid are relatively small, and quality is relatively small, and gravity is smaller, and buoyancy is smaller, it is easy to floating
Dynamic, the contact area with material is small, it is easy to accomplish the detection and control of liquid level.
The specifically course of work：Sensor block 1031 is located at the bottom of the detection zone of inductor 1030, and sensor block 1031 is
Conductor block, conductor block departs from inductor 1030, i.e. conductor block and departs from sensing with electromagnetic inductor, it is impossible to cutting magnetic induction line, produces
Current signal from cutting magnetic induction line when it is different, now detect liquid level be in low liquid level；Sensor block 1031 is located at inductor
The top of 1030 detection zone, sensor block 1031 is conductor block, and conductor block departs from inductor 1030, i.e. conductor block and electromagnetism
Inductor departs from sensing, it is impossible to cutting magnetic induction line, different when the current signal of generation is from cutting magnetic induction line, now detects liquid level
In high level.So as to detect the height of liquid level.
Specifically, inductor 1030 is photoelectric sensor, and the light that the sensing photoelectric sensor of sensor block 1031 is sent detects liquid
The height of position.Further, photoelectric sensor is provided with two, respectively positioned at the position of the top and bottom of inductor 1030,
And float guide rod 101 can not block the light that photoelectric sensor is sent.
The specifically course of work：Sent when the photoelectric sensor that sensor block 1031 first blocks the lower end of inductor 1030
When light that the photoelectric sensor of the upper end of inductor 1030 sent is blocked after light and inductor 1030 is completely disengaged from, liquid level is in
High level；When blocking inductor after the light that the photoelectric sensor that sensor block 1031 first blocks the upper end of inductor 1030 is sent
Light that the photoelectric sensor of 1030 lower end is sent and when completely disengaging from inductor 1030, liquid level is in low liquid level.Thus, examine
Measure the height of liquid level.
Fig. 4 is the structural representation with signal indicating device for the liquid level detection device that the utility model embodiment 1 is provided
Figure.Liquid level detection device also includes relay 105 and signal indicating device 106, signal induction device 103 and relay 105 and
Signal indicating device 106 is electrically connected with, and signal indicating device 106 is located at the detection zone of inductor 1030 in sensor block 1031
Bottom and sensor block 1031 are located at the top alarm of the detection zone of inductor 1030.
Sensor block 1031 is conductor block, and inductor 1030 is electromagnetic inductor.Specifically, sensor block 1031 is located at inductor
The bottom of 1030 detection zone, sensor block 1031 is conductor block, and conductor block departs from inductor 1030, i.e. conductor block and electromagnetism sense
Device is answered to depart from sensing, it is impossible to cutting magnetic induction line, it is different when the current signal of generation is from cutting magnetic induction line, now detect at liquid level
In low liquid level, meanwhile, the current signal control relay 105 of generation is closed, and signal indicating device 106 is alarmed, and reminds operator
Member carries out fluid infusion；Sensor block 1031 is located at the top of the detection zone of inductor 1030, and sensor block 1031 is conductor block, conductor
Block departs from inductor 1030, i.e. conductor block and departs from sensing with electromagnetic inductor, it is impossible to cutting magnetic induction line, the current signal of generation
It is different during from cutting magnetic induction line, now detect liquid level and be in high level；Meanwhile, relay 105 is closed, signal indicating device
106 alarms, remind operating personnel to notice that liquid level reaches the upper limit, disconnect, occur with accident prevention in time.
Specifically, signal indicating device 106 is buzzer.Signal indicating device 106 is in order to remind staff or behaviour
Note as personnel, buzzer is a kind of warning electric signal to be converted into the electrical converter that human ear can be perceived.By sending
A variety of sound, remind operating personnel to note, only luminous compared to flashing lamp etc., not for the equipment of sounding, buzzer
The attention and warning of operating personnel can more be caused.
Embodiment 2
The utility model provides a kind of liquid level detection device, and provides embodiments thereof.Fig. 5 is that the utility model is real
The structural representation of the liquid level detection device of the offer of example 2 is provided.In the embodiment of liquid level detection device, as shown in figure 5, with reality
Apply unlike example 1, slide rail 1020 is guide rail, fixed mount 102 is set to transparent, is provided with graduation mark on slide rail 1020, floats
Pointer 107 is provided with sub- guide rod 101.Graduation mark and pointer 107 are provided with slide rail 1020, can be directly according to float 100
Position judges the height of liquid level, constantly to observe, in real time control, so as to material number monitored in real time, at any time
The break-make of route is detected, the comprehensive automation of production line is realized.
Embodiment 3
Fig. 6 is the structural representation for the liquid level detection device that the utility model embodiment 3 is provided.It is different from embodiment 1
It is that float 100 and float guide rod 101 are located at the top of hopper, inductor 1030 and sensor block 1031 are located at the bottom of hopper, this
When, float guide rod 101, which is passed through, needs sealing at the position of hopper bottom, prevent material from flowing out.Remaining course of work is with implementing
It is identical in example 1.
In summary, the liquid level detection device that the utility model is provided, including float 100, float guide rod 101, float 100
It is connected with the first end of float guide rod 101, float 100 fluctuates with the change of liquid level；Liquid level detection device also includes fixing
Slide rail 1020 is provided with frame 102, fixed mount 102, float guide rod 101 passes through slide rail 1020, slided up and down along slide rail 1020；Liquid
Level detecting apparatus also includes signal induction device 103, and signal induction device 103 includes inductor 1030 and sensor block 1031, sense
Block 1031 is answered to be located at the second end of float guide rod 101；Sensor block 1031 is located at the side of inductor 1030；Sensor block 1031 is located at
The top of the detection zone of inductor 1030, liquid level is in high level；Sensor block 1031 is located at the detection zone of inductor 1030
The bottom in domain, liquid level is in low liquid level.By the induction effect between inductor 1030 and sensor block 1031, to detect liquid level
Just, so as to alleviate the existing liquid level detection device technical problem inaccurate to level sensing.
The fluid level control device that the utility model is provided, including above-mentioned liquid level detection device.By inductor 1030 with
Induction effect between sensor block 1031, to detect the height of liquid level, so as to alleviate existing liquid level detection device to liquid level
The inaccurate technical problem of detection.
Specifically, fluid level control device also includes pneumatic operated valve 104 and fluid infusion passage 108, and fluid infusion passage 108 is by pneumatic operated valve
104 controls；Sensor block 1031 is located at the bottom of the detection zone of inductor 1030, and the induced signal of inductor 1030 is controlled pneumatic
The closing of valve 104, fluid infusion passage 108 is opened；Sensor block 1031 is located at the top of the detection zone of inductor 1030, inductor
1030 induced signals, control the unlatching of pneumatic operated valve 104, and fluid infusion passage 108 is closed.
Sensor block 1031 is conductor block, and inductor 1030 is electromagnetic inductor.The specifically course of work：Sensor block 1031
In the bottom of the detection zone of inductor 1030, sensor block 1031 is conductor block, and conductor block departs from inductor 1030, i.e. conductor
Block departs from electromagnetic inductor to be sensed, it is impossible to cutting magnetic induction line, different when the current signal of generation is from cutting magnetic induction line, is now examined
Measure liquid level and be in low liquid level, the current signal of generation controls the closing of pneumatic operated valve 104, and fluid infusion passage 108 is opened, and controls liquid storage
Material supplements material into hopper in tank, makes material in hopper moderate, the use of material when facilitating feeding；Sensor block 1031 is located at
The top of the detection zone of inductor 1030, sensor block 1031 be conductor block, conductor block depart from inductor 1030, i.e. conductor block with
Electromagnetic inductor departs from sensing, it is impossible to cutting magnetic induction line, different when the current signal of generation is from cutting magnetic induction line, now detects
Liquid level is in high level, and the current signal now produced controls the unlatching of pneumatic operated valve 104, and fluid infusion passage 108 is closed, in fluid reservoir
Material in normal direction hopper without supplementing material；When liquid level is not up to upper limit lower limit, the material in fluid reservoir into hopper without mending
Material is filled, inductor 1030 interacts with sensor block 1031, cutting magnetic induction line, the current signal control pneumatic operated valve now produced
104 unlatching, fluid infusion passage 108 is closed, and the material in fluid reservoir in normal direction hopper without supplementing material.So repeatedly, realization pair
The control and fluid infusion of liquid level.
Specifically, inductor 1030 is photoelectric sensor.Further, photoelectric sensor is provided with two, is located at respectively
The position of the top and bottom of inductor 1030, and float guide rod 101 can not block the light that photoelectric sensor is sent.
The specifically course of work：Sent when the photoelectric sensor that sensor block 1031 first blocks the lower end of inductor 1030
When light that the photoelectric sensor of the upper end of inductor 1030 sent is blocked after light and inductor 1030 is completely disengaged from, liquid level is in
High level, the current signal that now produces controls the unlatching of pneumatic operated valve 104, and fluid infusion passage 108 is closed, the material in fluid reservoir without
Supplement material in normal direction hopper；After the light that the photoelectric sensor that sensor block 1031 first blocks the upper end of inductor 1030 is sent
When blocking light that the photoelectric sensor of the lower end of inductor 1030 sent and completely disengaging from inductor 1030, liquid level is in low liquid
Position；The current signal that now produces controls the closing of pneumatic operated valve 104, and fluid infusion passage 108 is opened, and material is to material in control fluid reservoir
Supplement material, makes material in hopper moderate, the use of material when facilitating feeding in groove.So repeatedly, the control to liquid level is realized
And fluid infusion.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of liquid level detection device, it is characterised in that including float, float guide rod, the float and the float guide rod
First end is connected, and the float fluctuates with the change of liquid level；
The liquid level detection device also includes being provided with slide rail on fixed mount, the fixed mount, and the float guide rod is described in
Slide rail, is slided up and down along the slide rail；
The liquid level detection device also includes signal induction device, and the signal induction device includes inductor and sensor block, institute
State the second end that sensor block is located at the float guide rod；The sensor block is located at the side of the inductor；The sensor block position
In the top of the detection zone of the inductor, the liquid level is in high level；The sensor block is located at the inspection of the inductor
The bottom in region is surveyed, the liquid level is in low liquid level.
2. liquid level detection device according to claim 1, it is characterised in that the inductor is magnetic inductor, the sense
It is conductor block to answer block, and the conductor block is slided up and down, cutting magnetic induction line with the sliding up and down for float guide rod.
3. liquid level detection device according to claim 1, it is characterised in that the inductor is photoelectric sensor, described
Sensor block senses the light that the photoelectric sensor is sent, and detects the height of liquid level.
4. liquid level detection device according to claim 1, it is characterised in that the liquid level detection device also includes relay
And signal indicating device, the signal induction device and the relay and signal indicating device electric connection, the letter
Number instruction device is located at the top of the detection zone of the inductor in the sensor block and the sensor block is located at the sensing
The bottom alarm of the detection zone of device.
5. liquid level detection device according to claim 4, it is characterised in that the signal indicating device is buzzer.
6. liquid level detection device according to claim 1, it is characterised in that the slide rail is spacing hole.
7. liquid level detection device according to claim 1, it is characterised in that the slide rail is guide rail, the fixed erection
It is set to transparent, is provided with the slide rail on graduation mark, the float guide rod and is provided with pointer.
8. liquid level detection device according to claim 1, it is characterised in that the float is ball float.
9. a kind of fluid level control device, it is characterised in that including the level sensing dress as any one of claim 1-8
Put.
10. fluid level control device according to claim 9, it is characterised in that the fluid level control device includes pneumatic operated valve
And fluid infusion passage, the fluid infusion passage controls by the pneumatic operated valve；
The sensor block is located at the top of the detection zone of the inductor, controls the opening of pneumatic operated valve, and the fluid infusion passage is closed
Close；The sensor block is located at the bottom of the detection zone of the inductor, controls the closing of pneumatic operated valve, and the fluid infusion passage is opened
Open.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720089165.XU CN206410759U (en) | 2017-01-23 | 2017-01-23 | Liquid level detection device and fluid level control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720089165.XU CN206410759U (en) | 2017-01-23 | 2017-01-23 | Liquid level detection device and fluid level control device |
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| Publication Number | Publication Date |
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| CN206410759U true CN206410759U (en) | 2017-08-15 |
Family
ID=59557213
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| CN201720089165.XU Active CN206410759U (en) | 2017-01-23 | 2017-01-23 | Liquid level detection device and fluid level control device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180748A (en) * | 2019-06-13 | 2019-08-30 | 福建省华宝智能科技有限公司 | A kind of glue automatically supplying apparatus |
| CN112764438A (en) * | 2020-12-29 | 2021-05-07 | 浙江工业大学之江学院 | Mechanical electronic induction liquid level control device |
| CN112797456A (en) * | 2021-01-08 | 2021-05-14 | 广东超人节能厨卫电器有限公司 | Range hood capable of automatically removing oil stains |
| CN112903065A (en) * | 2021-01-28 | 2021-06-04 | 周启军 | Water level monitoring device for hydraulic engineering |
| CN113041414A (en) * | 2021-03-23 | 2021-06-29 | 河北医科大学第二医院 | Uterine cavity perfusion liquid recovery and metering, tissue specimen collection and pollution protection device |
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2017
- 2017-01-23 CN CN201720089165.XU patent/CN206410759U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180748A (en) * | 2019-06-13 | 2019-08-30 | 福建省华宝智能科技有限公司 | A kind of glue automatically supplying apparatus |
| CN112764438A (en) * | 2020-12-29 | 2021-05-07 | 浙江工业大学之江学院 | Mechanical electronic induction liquid level control device |
| CN112797456A (en) * | 2021-01-08 | 2021-05-14 | 广东超人节能厨卫电器有限公司 | Range hood capable of automatically removing oil stains |
| CN112903065A (en) * | 2021-01-28 | 2021-06-04 | 周启军 | Water level monitoring device for hydraulic engineering |
| CN112903065B (en) * | 2021-01-28 | 2022-09-09 | 重庆德生鼎盛实业发展有限公司 | Water level monitoring device for hydraulic engineering |
| CN113041414A (en) * | 2021-03-23 | 2021-06-29 | 河北医科大学第二医院 | Uterine cavity perfusion liquid recovery and metering, tissue specimen collection and pollution protection device |
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Effective date of registration: 20170807 Address after: 314000, Yinhe Road, Yao Town, Jiashan County, Jiaxing, Zhejiang province 17 Patentee after: Zhejiang Ouli Digital Printing Materials Co., Ltd. Address before: 314000, No. 86, Zhen Nan Road, Yao Town, Jiashan County, Jiaxing, Zhejiang Patentee before: Jiaxing Fulai Wide Format Print Photo Materials Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314000 No. 17, Yinhe Road, Yao Zhuang Town, Jiashan County, Jiaxing, Zhejiang. Patentee after: Zhejiang fry new material Limited by Share Ltd Address before: 314000 No. 17, Yinhe Road, Yao Zhuang Town, Jiashan County, Jiaxing, Zhejiang. Patentee before: Zhejiang Ouli Digital Printing Materials Co., Ltd. |