CN105509302A - Constant-temperature gas water heater with function of remote control on given temperature value - Google Patents
Constant-temperature gas water heater with function of remote control on given temperature value Download PDFInfo
- Publication number
- CN105509302A CN105509302A CN201610000431.7A CN201610000431A CN105509302A CN 105509302 A CN105509302 A CN 105509302A CN 201610000431 A CN201610000431 A CN 201610000431A CN 105509302 A CN105509302 A CN 105509302A
- Authority
- CN
- China
- Prior art keywords
- water
- hot
- pulse signal
- hot water
- constant temp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/145—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Abstract
The invention discloses a constant-temperature gas water heater with a function of remote control on a given temperature value. The constant-temperature gas water heater comprises two hot water outlets, wherein a given temperature value of the constant-temperature gas water heater is changed by adopting a method of remotely controlling flow rates of two paths of hot water through water valves; when the hot water flow rate of a first hot water outlet is relatively increased and the hot water flow rate of a second hot water outlet is relatively decreased, the given temperature value is increased; when the hot water flow rate of the first hot water outlet is relatively decreased and the hot water flow rate of the second hot water outlet is relatively increased, the given temperature value is decreased. The device can be used for realizing remote control on the given temperature value of hot water in the constant-temperature gas water heater without a wired or wireless remote controller, and is stable and reliable in control result.
Description
Technical field
The present invention relates to a kind of constant temp gas water heater, especially a kind of constant temp gas water heater of Long-distance Control temperature given value.
Background technology
Constant temp gas water heater can keep effluent temperature constancy, if but temperature setting is improper, particularly when shower, the gas and hot water actuator temperature not with wireless remote control or remote line traffic control cannot regulate, and adds cold water easily cause again gas heater to stop working with mixed water valve.Adopt wireless remote control regulating gas water heater temperature, by the restriction of installation site, a lot of occasion remote controller signal cannot be sent to gas heater.When adopting remote line traffic control mode, special waterproof wire remote control devices cost is high, needs to sunken cord in advance, works for a long time under the wet environments such as bathroom, and the wire remote control devices fault rate of electronic type is high.
Summary of the invention
The hot water temperature that the object of the invention is for far distance controlled constant temp gas water heater provides a solution, namely can the constant temp gas water heater of far distance controlled temperature given value.
To achieve these goals, the invention provides a kind of constant temp gas water heater of Long-distance Control temperature given value, comprising:
Described constant temp gas water heater includes controller, heat exchanger, the first Hall water flow sensor, the second Hall water flow sensor, the first hot water outlet, the second hot water outlet, cold water inlet and cold water pipe, main hot-water line, the first hot-water line, the second hot-water line.
Described cold water pipe is connected between cold water inlet and heat exchanger; One end of described first hot-water line is connected to the first hot water outlet, and one end is communicated to main hot-water line water side in addition; One end of described second hot-water line is connected to the second hot water outlet, and one end is communicated to main hot-water line water side in addition; The water intake end of described main hot-water line is connected to heat exchanger.
Described first Hall water flow sensor is arranged on the first hot-water line, for detecting outlet hot water's flow of the first hot water outlet; Described second Hall water flow sensor is arranged on the second hot-water line, for detecting outlet hot water's flow of the second hot water outlet.
Described first Hall water flow sensor is provided with the first pulse signal output end, and the second Hall water flow sensor is provided with the second pulse signal output end; Described controller is provided with the first pulse signal input terminal and the second pulse signal input terminal, and described first pulse signal input terminal, the second pulse signal input terminal are connected to the first pulse signal output end, the second pulse signal output end respectively.
The constant temp gas water heater of described Long-distance Control temperature given value is controlled the temperature given value of constant temp gas water heater by the relative size of the pulse frequency of the first pulse signal, the second pulse signal; When the pulse frequency of the first pulse signal relatively increase, the pulse frequency of the second pulse signal relatively reduce time, temperature given value increases; When the pulse frequency of the first pulse signal relatively reduce, the pulse frequency of the second pulse signal relatively increase time, temperature given value reduces.
Described temperature given value is according to formula
Calculate, wherein,
ttemperature given value,
f1,
f2 is the pulse frequency of the first pulse signal, the second pulse signal respectively,
t0 is central temperature set-point,
kit is temperature regulating range coefficient.
The step of described controller accounting temperature set-point is:
Step S1, initializes;
Step S2, samples to outlet hot water's flow of the first hot water outlet, the second hot water outlet, obtains the pulse frequency of the first pulse signal, the second pulse signal;
Step S3, calculates the temperature given value of constant temp gas water heater;
Step S4, other process and wait; Sampling instant next time then, forwards step S2 to.
Described temperature given value is by constant temp gas water heater, the first connecting water pipe, the second connecting water pipe, mixed water valve co-controlling; 2 water inlets of described mixed water valve are connected to the first hot water outlet, second hot water outlet of constant temp gas water heater respectively by the first connecting water pipe, the second connecting water pipe; Outlet hot water's flow of the first hot water outlet, the second hot water outlet is changed by regulating mixed water valve.
Described temperature given value or by constant temp gas water heater, the first connecting water pipe, the second connecting water pipe, the first control valve, the second control valve co-controlling; The water inlet end of described first connecting water pipe, the second connecting water pipe is connected to the first hot water outlet, second hot water outlet of constant temp gas water heater respectively; It is a water side that the water side of described first connecting water pipe, the second connecting water pipe is communicated with; Described first control valve is arranged on the first connecting water pipe, and the second control valve is arranged on the second connecting water pipe; Outlet hot water's flow of the first hot water outlet, the second hot water outlet changes respectively by adjustment first control valve, the second control valve.
Described constant temp gas water heater also comprises power module, hot water temperature's detection module, gas flow control driver module, air-blower control driver module, IGNITION CONTROL and flame detection modules.
The invention has the beneficial effects as follows, without the need to wired or Digiplex, adopt the method being controlled two-way hot water flow by water valve, realize the Long-distance Control of constant temp gas water heater hot water temperature set-point, control result reliable and stable.
Accompanying drawing explanation
Fig. 1 is constant temp gas water heater embodiment 1 structured flowchart of Long-distance Control temperature given value.
Fig. 2 is constant temp gas water heater embodiment 2 structured flowchart of Long-distance Control temperature given value.
Fig. 3 is flow sensing circuit theory diagram.
Fig. 4 is the flow chart of accounting temperature set-point.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Constant temp gas water heater embodiment 1 structured flowchart of Long-distance Control temperature given value as shown in Figure 1, wherein, constant temp gas water heater comprises heat exchanger 101, first Hall water flow sensor 201, second Hall water flow sensor 202, first hot water outlet 203, second hot water outlet 204, cold water inlet 205, cold water pipe 401, main hot-water line 402, first hot-water line 403, second hot-water line 404; And jointly realize mixed water valve 301, first connecting water pipe 405, second connecting water pipe 406, heat of mixing water pipe 407, the Water outlet spray head 302 of Long-distance Control temperature given value with constant temp gas water heater.
Described constant temp gas water heater has 1 cold water inlet and 2 hot water outlets, and cold water pipe 401 is connected between cold water inlet 205 and heat exchanger 101; One end of first hot-water line 403 is connected to the first hot water outlet 203, and one end is communicated to main hot-water line 402 water side in addition; One end of second hot-water line 404 is connected to the second hot water outlet 204, and one end is communicated to main hot-water line 402 water side in addition; The water intake end of main hot-water line 402 is connected to heat exchanger 101.First Hall water flow sensor 201 is arranged on the first hot-water line 403, and the second Hall water flow sensor 202 is arranged on the second hot-water line 404.
2 water inlets of mixed water valve 301 are connected to the first hot water outlet 203, second hot water outlet 204 of constant temp gas water heater respectively by the first connecting water pipe 405, second connecting water pipe 406; The delivery port of mixed water valve 301 is connected to Water outlet spray head 302 by heat of mixing water pipe 407.When mixed water valve 301 is cold water, hot water mixes water valve, the first connecting water pipe 405 is connected to the water inlet of hot water of mixed water valve 301, and the second connecting water pipe 406 is connected to the cold water inlet of mixed water valve 301.
Constant temp gas water heater embodiment 2 structured flowchart of Long-distance Control temperature given value as shown in Figure 2, be with the difference of embodiment 1, the first control valve 303, second control valve 304 is used to replace mixed water valve 301, first control valve 303 is arranged on the first connecting water pipe 405, and the second control valve 304 is arranged on the second connecting water pipe 406; The water side of the first connecting water pipe 405, second connecting water pipe 406 adopts threeway to be connected with heat of mixing water pipe 407.
Described constant temp gas water heater also includes controller 210, its flow sensing circuit theory diagram as shown in Figure 3, first Hall water flow sensor 201 is provided with the first pulse signal output end OUT1, for detecting outlet hot water's flow of the first hot water outlet 203, the signal type of the first pulse signal is pulse frequency.Second Hall water flow sensor 202 is provided with the second pulse signal output end OUT2, and for detecting outlet hot water's flow of the second hot water outlet 204, the signal type of the second pulse signal is pulse frequency.First Hall water flow sensor 201, second Hall water flow sensor 202 adopts single power supply; In Fig. 3, powered to the first Hall water flow sensor 201, second Hall water flow sensor 202 by single supply+VDD.
Controller 210 is provided with the first pulse signal input terminal IN1, the second pulse signal input terminal IN2; First pulse signal input terminal IN1, the second pulse signal input terminal IN2 are connected to the first pulse signal output end OUT1, the second pulse signal output end OUT2 respectively.
The operation principle of the constant temp gas water heater of described Long-distance Control temperature given value is:
Regulating mixed water valve 301, or regulate the first control valve 303, second control valve 304 to change outlet hot water's flow of the first hot water outlet 203, second hot water outlet 204, thus change the pulse frequency of the first pulse signal and the second pulse signal; Constant temp gas water heater temperature given value is controlled by the relative size of the pulse frequency of the first pulse signal, the second pulse signal; If the pulse frequency of the first pulse signal, the second pulse signal is respectively
f1,
f2, the temperature given value of constant temp gas water heater is
t, then when
f1 increase relatively,
f2 when relatively reducing, temperature given value
tincrease; When
f1 reduction relatively,
f2 when relatively increasing, temperature given value
treduce.Described controller 210 obtains the pulse frequency of the first pulse signal, the second pulse signal by the first Hall water flow sensor 201, second Hall water flow sensor 202
f1,
fafter 2, according to formula
Calculate the temperature given value of constant temp gas water heater
t, wherein,
t0 is central temperature set-point,
kit is temperature regulating range coefficient.
The water temperature control interval of water heater is normally between 30 DEG C to 80 DEG C.Such as, select
t0=50 DEG C,
k=20, temperature given value
tbe controlled in 30 DEG C to 70 DEG C.
Described controller 210 is made up of microcontroller and peripheral circuit.The preferred single-chip microcomputer of microcontroller, or select other devices such as ARM, DSP.First pulse signal input terminal IN1, the second pulse signal input terminal IN2 are the counting input end of microcontroller counter.
Described constant temp gas water heater also comprises hot water temperature's detection module, gas flow controls driver module, air-blower control driver module, IGNITION CONTROL and flame detection modules etc.Further, described constant temp gas water heater also optionally comprises part of module in cold water temperature detection module, temperature value display module, blast detection module, buzzer module or whole modules.
Described constant temp gas water heater also includes power module, for providing single supply+VDD and other power supplys, to controller 210, first flow sensor 201, second quantity sensor 202 and other module for power supply.
The flow process of controller 210 accounting temperature set-point as shown in Figure 4, the steps include:
Step S1, initializes;
Step S2, samples to outlet hot water's flow of the first hot water outlet 203, second hot water outlet 204, obtains the pulse frequency of the first pulse signal, the second pulse signal
f1,
f2;
Step S3, calculates the temperature given value of constant temp gas water heater
t;
Step S4, other process and wait; Sampling instant next time then, forwards step S2 to.
Controller 210 is except the temperature given value calculating constant temp gas water heater
toutward, other controls of constant temp gas water heater will also be carried out.Other process described and waiting for, comprise water temperature sampling that controller 210 needs complete, water temperature control, gas flow controls driving, air-blower control driving, IGNITION CONTROL etc., and wait.Controller 210 calculates and obtains temperature given value
tafter, adopt suitable control algolithm, controlling the heating power of gas heater by controlling gas flow, the water outlet hot water temperature of gas heater can be controlled at temperature given value
twithin neighbouring allowable error scope, realize temperature incubation function.
Described sampling instant next time control then, controller 210 adopts software delay, or timer timing realizes.
The Hall water flow sensor of the preferred same range ability of described first Hall water flow sensor 201, second Hall water flow sensor 202.
The foregoing is only embodiments of the invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present invention.
Claims (9)
1. a constant temp gas water heater for Long-distance Control temperature given value, is characterized in that:
Described constant temp gas water heater includes controller, heat exchanger, the first Hall water flow sensor, the second Hall water flow sensor, the first hot water outlet, the second hot water outlet, cold water inlet and cold water pipe, main hot-water line, the first hot-water line, the second hot-water line;
Described cold water pipe is connected between cold water inlet and heat exchanger; One end of described first hot-water line is connected to the first hot water outlet, and one end is communicated to main hot-water line water side in addition; One end of described second hot-water line is connected to the second hot water outlet, and one end is communicated to main hot-water line water side in addition; The water intake end of described main hot-water line is connected to heat exchanger;
Described first Hall water flow sensor is arranged on the first hot-water line, for detecting outlet hot water's flow of the first hot water outlet; Described second Hall water flow sensor is arranged on the second hot-water line, for detecting outlet hot water's flow of the second hot water outlet;
Described first Hall water flow sensor is provided with the first pulse signal output end, and the second Hall water flow sensor is provided with the second pulse signal output end; Described controller is provided with the first pulse signal input terminal and the second pulse signal input terminal, and described first pulse signal input terminal, the second pulse signal input terminal are connected to the first pulse signal output end, the second pulse signal output end respectively;
Described constant temp gas water heater controls the temperature given value of constant temp gas water heater by the relative size of the pulse frequency of the first pulse signal, the second pulse signal; When the pulse frequency of the first pulse signal relatively increase, the pulse frequency of the second pulse signal relatively reduce time, temperature given value increases; When the pulse frequency of the first pulse signal relatively reduce, the pulse frequency of the second pulse signal relatively increase time, temperature given value reduces.
2. the constant temp gas water heater of Long-distance Control temperature given value as claimed in claim 1, is characterized in that: described temperature given value is by constant temp gas water heater, the first connecting water pipe, the second connecting water pipe, mixed water valve co-controlling; 2 water inlets of described mixed water valve are connected to the first hot water outlet, second hot water outlet of constant temp gas water heater respectively by the first connecting water pipe, the second connecting water pipe; Outlet hot water's flow of the first hot water outlet, the second hot water outlet is changed by regulating mixed water valve.
3. the constant temp gas water heater of Long-distance Control temperature given value as claimed in claim 1, is characterized in that: described temperature given value is by constant temp gas water heater, the first connecting water pipe, the second connecting water pipe, the first control valve, the second control valve co-controlling; The water inlet end of described first connecting water pipe, the second connecting water pipe is connected to the first hot water outlet, second hot water outlet of constant temp gas water heater respectively; It is a water side that the water side of described first connecting water pipe, the second connecting water pipe is communicated with; Described first control valve is arranged on the first connecting water pipe, and the second control valve is arranged on the second connecting water pipe; Outlet hot water's flow of the first hot water outlet, the second hot water outlet changes respectively by adjustment first control valve, the second control valve.
4. the constant temp gas water heater of Long-distance Control temperature given value as claimed in claim 1, is characterized in that: described temperature given value is according to formula
Calculate, wherein,
ttemperature given value,
f1,
f2 is the pulse frequency of the first pulse signal, the second pulse signal respectively,
t0 is central temperature set-point,
kit is temperature regulating range coefficient.
5. the constant temp gas water heater of Long-distance Control temperature given value as claimed in claim 4, is characterized in that: described central temperature set-point
t0=50 DEG C, temperature regulating range coefficient
k=20.
6. the constant temp gas water heater of Long-distance Control temperature given value as claimed in claim 1, is characterized in that: described first Hall water flow sensor, the second Hall water flow sensor are the Hall water flow sensor of same range ability.
7. the constant temp gas water heater of Long-distance Control temperature given value as claimed in claim 1, is characterized in that: the step of described controller accounting temperature set-point is:
Step S1, initializes;
Step S2, samples to outlet hot water's flow of the first hot water outlet, the second hot water outlet, obtains the pulse frequency of the first pulse signal, the second pulse signal;
Step S3, calculates the temperature given value of constant temp gas water heater;
Step S4, other process and wait; Sampling instant next time then, forwards step S2 to.
8. the constant temp gas water heater of Long-distance Control temperature given value as claimed in claim 7, it is characterized in that: other process described and wait, be controller except calculating the temperature given value of constant temp gas water heater, other of the constant temp gas water heater that also will carry out control, and wait for.
9. the constant temp gas water heater of Long-distance Control temperature given value as claimed in claim 1, is characterized in that: described constant temp gas water heater also comprises power module, hot water temperature's detection module, gas flow control driver module, air-blower control driver module, IGNITION CONTROL and flame detection modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000431.7A CN105509302B (en) | 2016-01-04 | 2016-01-04 | Constant temperature gas water heater of remote control temperature given value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000431.7A CN105509302B (en) | 2016-01-04 | 2016-01-04 | Constant temperature gas water heater of remote control temperature given value |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105509302A true CN105509302A (en) | 2016-04-20 |
| CN105509302B CN105509302B (en) | 2019-12-06 |
Family
ID=55717472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610000431.7A Active CN105509302B (en) | 2016-01-04 | 2016-01-04 | Constant temperature gas water heater of remote control temperature given value |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105509302B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008070906A1 (en) * | 2006-12-12 | 2008-06-19 | Rheem Australia Pty Limited | A controllable water heater |
| CN201658004U (en) * | 2010-04-09 | 2010-12-01 | 王小丫 | Student desk |
| CN103344046A (en) * | 2013-06-28 | 2013-10-09 | 海尔集团公司 | Constant-temperature gas heater control method and constant-temperature gas heater |
| CN104236109A (en) * | 2013-06-24 | 2014-12-24 | 海尔集团公司 | Control method and control device of constant-temperature gas water heater |
-
2016
- 2016-01-04 CN CN201610000431.7A patent/CN105509302B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008070906A1 (en) * | 2006-12-12 | 2008-06-19 | Rheem Australia Pty Limited | A controllable water heater |
| CN201658004U (en) * | 2010-04-09 | 2010-12-01 | 王小丫 | Student desk |
| CN104236109A (en) * | 2013-06-24 | 2014-12-24 | 海尔集团公司 | Control method and control device of constant-temperature gas water heater |
| CN103344046A (en) * | 2013-06-28 | 2013-10-09 | 海尔集团公司 | Constant-temperature gas heater control method and constant-temperature gas heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105509302B (en) | 2019-12-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105571142B (en) | Constant temperature gas water heater with remote temperature regulation and cold water heat compensation control | |
| CN105466035A (en) | Constant-temperature gas water heater remotely regulating temperature and having output gain self-adaptive adjustment function | |
| CN105650885A (en) | Intelligent temperature-raising gas-fired water heater and control method thereof | |
| CN110440443A (en) | A kind of water-heater system | |
| CN105605786A (en) | Temperature-constant gas water heater capable of remotely controlling temperature setting value | |
| CN105509329A (en) | Adjusting method of set temperature value of constant-temperature gas water heater | |
| CN110344470A (en) | Water system | |
| CN205383792U (en) | Constant temperature gas heater of remote control temperature setting value | |
| CN205316687U (en) | Remotely adjusting temperature and constant temperature gas heater who takes cold water heat compensation control | |
| CN105444426B (en) | Gas water heater capable of remotely adjusting temperature | |
| CN105444425B (en) | constant temperature gas water heater with remote temperature regulation and cold water temperature compensation control | |
| CN105526713B (en) | Temperature adjusting method for gas water heater | |
| CN205481805U (en) | Constant temperature gas heater of remote control temperature setting value | |
| CN105509302A (en) | Constant-temperature gas water heater with function of remote control on given temperature value | |
| CN205316686U (en) | Remotely adjusting combustion power's gas heater | |
| CN205316652U (en) | Remotely adjusting temperature and constant temperature gas heater who takes control of cold water temperature compensating | |
| CN106642300A (en) | Method and device for automatically controlling water temperature | |
| CN105571144A (en) | Temperature setting method of constant-temperature gas water heater | |
| CN205448340U (en) | Gas heater of remotely adjusting temperature | |
| CN105605785A (en) | Method for setting temperature of constant-temperature gas water heater | |
| CN205481821U (en) | Intelligence intensification gas heater | |
| CN105526714A (en) | Gas water heater with remotely-regulated combustion power | |
| CN204923396U (en) | Hot water increase -volume constant temperature heating device | |
| CN105509330A (en) | Method for regulating combustion power of gas water heater | |
| CN105571143B (en) | Fire adjusting method for gas water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xiao Huiqin Inventor after: Ling Yun Inventor after: Xiao Shenping Inventor after: Chen Gang Inventor after: Zeng Hongbing Inventor after: Kong Lingshuang Inventor before: Ling Yun Inventor before: Xiao Shenping Inventor before: Chen Gang Inventor before: Zeng Hongbing Inventor before: Kong Lingshuang Inventor before: Xiao Huiqin |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201013 Address after: 237000 Democratic constituency of Shiji street, Anfeng Town, Shouxian County, Huainan City, Anhui Province Patentee after: Wang Jingjing Address before: 412007 School of industry, research and production, Hunan University of Technology, 88 West Taishan Road, Zhuzhou, Hunan Patentee before: HUNAN University OF TECHNOLOGY Effective date of registration: 20201013 Address after: No.76 Minfeng South Road, Nanfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: ZHANGJIAGANG DONGDA INDUSTRIAL TECHNOLOGY Research Institute Address before: 237000 Democratic constituency of Shiji street, Anfeng Town, Shouxian County, Huainan City, Anhui Province Patentee before: Wang Jingjing |
|
| TR01 | Transfer of patent right |