CN201707219U - Detection device for temperature control water faucet - Google Patents
Detection device for temperature control water faucet Download PDFInfo
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- CN201707219U CN201707219U CN201020109895XU CN201020109895U CN201707219U CN 201707219 U CN201707219 U CN 201707219U CN 201020109895X U CN201020109895X U CN 201020109895XU CN 201020109895 U CN201020109895 U CN 201020109895U CN 201707219 U CN201707219 U CN 201707219U
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Abstract
The utility model discloses a detection device for a temperature control water faucet, which comprises an integrated test board and a service life test board, wherein a first cold/hot water performance test unit, a torque test unit and a pressure test unit are arranged on the integrated test board, a second cold/hot water performance test unit is arranged on the service life test board, and the units are connected with a data processing and controlling unit. The integrated test board of the utility model can perform test items such as strength test, seal tightness test, water outlet temperature test, flow rate test, safety test, temperature stability test and operating torque test of the temperature control water faucet according to the domestic and international standards; and the service life test board can perform test items such as regulating mechanism service life duration test, circulating alternate transformation water service life duration test and sensitivity test of the temperature control water faucet according to the domestic and international standards. The utility model has the advantages that the device is extensively applied, can be suitable for various test items, and is flexible and convenient during test.
Description
Technical field
The utility model relates to temperature control water nozzle field tests, is specifically related to temperature control water nozzle product pick-up unit.
Background technology
The temperature control water nozzle claims constant temperature combination tap or thermostatic control valve again; be in recent years by the of new generation intelligent terminal bath water equipment of external introduction; its product inside has the thermosensitive temperature-sensing control element of the physical characteristics of expanding with heat and contract with cold; in use can control the leaving water temperature of mixed water by automatic constant-temperature, and when the cold water mistake supplies, have the characteristics of safeguard protection.
In recent years, the development of temperature control water nozzle is very rapid, external product has entered the home market, the production and sales of home products begin to take shape, and there is portioned product to export to foreign countries, QB2806-2006 " temperature control water nozzle " came into effect on May 1st, 2007, had filled up the blank of domestic standard aspect, mainly contained indexs such as strength test, sealing property, flow, temperature stability, security, leaving water temperature, durability test, operation moment of torsion.
It is reported still have the comprehensive temperature control water nozzle pick-up unit that meets above-mentioned standard at present both at home and abroad.The research and development of domestic temperature control water nozzle checkout equipment relatively lag behind, and after QB2806-2006 " temperature control water nozzle " came into effect in May, 2007, equipment manufacturers just began the research and development of temperature control water nozzle pick-up unit; External pick-up unit also only designs at certain standard among EN1111:1998, ASSE1016-2005, the ASME A112.18.1-2005/CSA B125.1-05 or the partial parameters in the standard, and significant limitation is arranged.
Summary of the invention
The purpose of this utility model provides a kind of temperature control water nozzle product pick-up unit, and this is the device that a cover can satisfy the temperature control water nozzle detection of domestic and international relevant criterion test request.
To achieve these goals, the technical solution of the utility model is as follows: temperature control water nozzle product pick-up unit, comprise combined test stand and life-test rack, combined test stand is provided with the first hot and cold water performance test unit, torsion-testing unit and pressure testing unit, life-test rack is provided with the second hot and cold water performance test unit, and said units also is connected with data processing and control module.
Combined test stand comprises the first hot and cold water performance test unit, the first hot and cold water performance test unit comprises first boiler and first cold water storage cistern, first boiler and first cold water storage cistern are equipped with temperature control equipment, first boiler is by being connected with the first hot water test port with first hot water line, first cold water storage cistern is connected with the first cold water test port by the first cold water pipeline, the first flow test port is connected with first cold water storage cistern with first boiler respectively by the first mixed water water return pipeline, the first flow test port is provided with first pressure transducer, the first flow sensor and first temperature sensor, first pressure transducer is connected with first pressure display instrument, the first flow sensor is connected with the first flow display instrument, and first temperature sensor is connected with first temperature indicator; The first cold water test port is provided with second temperature sensor and second pressure transducer, and second pressure transducer is connected with second pressure display instrument, and second temperature sensor is connected with second temperature indicator; The first hot water test port front end also is provided with three-temperature sensor and the 3rd pressure transducer, and the 3rd pressure transducer is connected with the 3rd pressure display instrument, and three-temperature sensor is connected with the 3rd temperature indicator.
Life-test rack comprises the second hot and cold water performance test unit, the second hot and cold water performance test unit comprises second boiler and second cold water storage cistern, second boiler and second cold water storage cistern are equipped with temperature control equipment, second boiler is by being connected with the second hot water test port with second hot water line, second cold water storage cistern is connected with the second cold water test port by the second cold water pipeline, second cold water storage cistern also is connected with the second cold water test port with the second hot water test port respectively by the cold water auxiliary piping, the second flow rate test mouth is connected with second cold water storage cistern with second boiler respectively by the second mixed water water return pipeline, the second flow rate test mouth is provided with the 4th pressure transducer, the 4th flow sensor and the 4th temperature sensor, the 4th pressure transducer is connected with the 4th pressure display instrument, the 4th flow sensor is connected with the 4th Flow Measurement Display Meter, and the 4th temperature sensor is connected with the 4th temperature indicator; The second cold water test port is provided with the 5th temperature sensor and the 5th pressure transducer, and the 5th pressure transducer is connected with the 5th pressure display instrument, and second temperature sensor is connected with the 5th temperature indicator; The second hot water test port front end also is provided with the 6th temperature sensor and the 6th pressure transducer, the 6th pressure transducer is connected with the 6th pressure display instrument, the 6th temperature sensor is connected with the 6th temperature indicator, and the torsional moment test flexible axle is connected with stepper motor, and stepper motor is connected with drive unit.
Combined test stand of the present utility model can carry out the test events such as strength test, impermeability test, leaving water temperature test, flow test, safety testing, temperature stability test, operation torsional moment test of temperature control water nozzle according to the home and abroad standard.Can change test events such as the long duration test of water life-span, sensitivity test according to the long duration test of governor motion life-span, the repeat that the home and abroad standard is carried out the temperature control water nozzle on the life test rack.Advantage of the present utility model is that this device uses extensively, can be applicable to multiple test event, and test flexible.
Description of drawings
Fig. 1 is a system chart of the present utility model
Fig. 2 is the system flowchart of the first hot and cold water performance test unit
Fig. 3 is the structural representation of torsion-testing unit
Fig. 4 is the structural representation of pressure testing unit
Fig. 5 is the system flowchart of the second hot and cold water performance test unit
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
Temperature control water nozzle product pick-up unit, comprise combined test stand 1 and life-test rack 2, combined test stand 1 is provided with the first hot and cold water performance test unit 3, torsion-testing unit 4 and pressure testing unit 5, life-test rack 2 is provided with the second hot and cold water performance test unit 6, and said units also is connected with data processing and control module 7.
Combined test stand comprises the first hot and cold water performance test unit 3, the first hot and cold water performance test unit 3 comprises first boiler 101 and first cold water storage cistern 102, first boiler 101 and first cold water storage cistern 102 are equipped with temperature control equipment, first boiler 101 is by being connected with the first hot water test port 105 with first hot water line, first cold water storage cistern 102 is connected with the first cold water test port 104 by the first cold water pipeline, first flow test port 106 is connected with first cold water storage cistern 102 with first boiler 101 respectively by the first mixed water water return pipeline, first flow test port 106 is provided with first pressure transducer 111, the first flow sensor 108 and first temperature sensor 109, first pressure transducer 111 is connected with first pressure display instrument 112, first flow sensor 108 is connected with first flow display instrument 107, and first temperature sensor 109 is connected with first temperature indicator 110; The first cold water test port 104 is provided with second temperature sensor 113 and second pressure transducer, 114, the second pressure transducers 114 are connected with second pressure display instrument 115, and second temperature sensor 113 is connected with second temperature indicator 116; The first hot water test port, 105 front ends also are provided with three-temperature sensor 117 and the 3rd pressure transducer 118, the 3rd pressure transducer 118 is connected with the 3rd pressure display instrument 119, three-temperature sensor 117 is connected with the 3rd temperature indicator 120, is used to test out tests such as coolant-temperature gage test and temperature stability.
Tested water nozzle 121 is installed as shown in the figure, and its water inlet of hot water is connected with the first hot water test port 105, and cold water inlet is connected with the first cold water test port 104, and outlet is connected with first flow test port 106.
The first mixed water reflux line is connected with the metering outlet with a normally closed collection solenoid valve CJ by a normally open solenoid valve HS, metering outlet below is provided with measuring cup 122, measuring cup 122 is placed on the electronic balance 123, electronic balance has computing machine communication interface RS485, test data can be sent to computing machine.When test, system closes normally open solenoid valve HS and opens normally closed collection solenoid valve CJ when stopping cold feed, systematic survey and record aquifer yield at this moment.
The first mixed water reflux line also is connected with flow rate test mixed water exports 126 by second flow sensor 124, and second flow sensor 124 is connected with second Flow Measurement Display Meter 125, is used for flow test.
Test cold water temperature control device mainly is made up of PID intelligent temperature controller 103, temperature sensor 127, electronic ratio adjusting valve 128, circulation cooling pump 129, water-change pump 130, heat exchanger 131, handpiece Water Chilling Units 132 etc.Convert the aperture that simulating signal is controlled electric control valve automatically by PID intelligent temperature controller to according to the temperature difference of observed temperature and design temperature during work, test cold water carries out exchange heat with the water at low temperature that suitable ratio enters heat exchanger and handpiece Water Chilling Units and provides, and realizes testing the thermostatic control of cold water.
The test hot water temperature control equipment by PID intelligent temperature controller 103, temperature sensor 127, well heater 133, controllable silicon trigger module 134, heating power regulating device 136, water-change pump 130 compositions such as grade.PID intelligent temperature controller is controlled the conducting and the disconnection of controllable silicon trigger module automatically according to the temperature difference of observed temperature and design temperature during work, and the work of control heater realizes the thermostatic control of test hot water.Level switch 135 is used to control the liquid level of boiler.
For the operating mode that requires Fast Heating in the test, the hot water of the automatic connection of temperature setting back system's meeting rapid heater to water tank is heated, if the speed of heating can not reach requirement, can adjust the Fast Heating PCU Power Conditioning Unit, make it satisfy the requirement of heating-up time.
Consider pilot project have hot water cooling to require and winter original cold water temperature on the low side, system configuration a water-change pump, can realize the hot water cooling and winter temperature of cold water rises.
Wherein being connected with balance pipe 137, the first mixed water water return pipelines between first boiler 101 and first cold water storage cistern 102 is connected with first boiler and first cold water storage cistern by balance pipe.The first cold water pipeline (first hot water line) is provided with the logical regulating device of water supply pump 141 (heat-exchanger pump 140) and three roadsides, adopt solenoid valve 138 and electric control valve 139 to be connected in series in this embodiment, by regulating the aperture of electric control valve, make the pressure in loop reach testing requirements.Like this can be according to the high, medium and low three kinds of pressure working conditions in the testing requirements preset hot water or cold water loop, the unlatching of control electromagnetic valve and closure satisfy the correlation test requirement.Be provided with electric control valve in the mixed water water return pipeline, control water flow by the aperture of regulating electric control valve.
Combined test stand also comprises torsion-testing unit 4, this torsion-testing unit 4 comprises retaining sleeve 142, retaining sleeve 142 is connected with torque output shaft 144 by flexibly connecting axle 143, torque output shaft 144 is connected with worm gear coupling shaft 146 by torque sensor 145, torque sensor 146 is connected with moment of torsion display instrument 147, worm gear coupling shaft 146 is connected with worm gear 148, and worm gear 148 is connected with a joggle with worm screw 149, and worm screw 149 is connected with handwheel 150.The moment of torsion charger adopts worm-and-wheel gear, and rotary worm drives worm gear and loads moment of torsion, can keep self-locking after being loaded on prescribed torque, and torque sensor is supported positive and negative rotation, range ± 10N.M.Retaining sleeve is connected with torque output shaft by flexible drive axle, can test easily.The control handle of temperature control water nozzle is connected with retaining sleeve 142, can utilize this torsion-testing unit to test.151 is rolling bearing units, and 152 is bearing.
Combined test stand 1 also comprises pressure testing unit 5, this pressure testing unit 5 comprises water tank 153, water tank 153 is connected with the input end of motor test pump 154, the output terminal of motor test pump 154 is connected with pressure testing interface 155, pressure testing interface 155 is provided with pressure transducer 156, pressure transducer 156 is connected with pressure display instrument 157, and the output terminal of motor test pump 154 also is connected with water tank by electric control valve 158, and backwater interface 160 is connected with water tank 153.Tested water nozzle connects as shown in the figure, regulates the aperture of electric control valve 158 during test and comes the pressure of control system to test.159 are the water outlet plug among the figure, and 161 is tested water nozzle, and 162 is pressure limiting valve, and 163 is float switch, and 164 is water compensating valve.
The device of this temperature control water nozzle all-round property testing also comprises life-test rack 2, life-test rack 2 comprises the second hot and cold water performance test unit 6, the second hot and cold water performance test unit 6 comprises second boiler 201 and second cold water storage cistern 202, second boiler 201 and second cold water storage cistern 202 are equipped with temperature control equipment, second boiler 201 is by being connected with the second hot water test port 203 with second hot water line 205, second cold water storage cistern 202 is connected with the second cold water test port 204 by the second cold water pipeline 206, second cold water storage cistern 201 also is connected with the second cold water test port 204 with the second hot water test port 203 respectively by cold water auxiliary piping 207, the second flow rate test mouth 208 is connected with second cold water storage cistern 202 with second boiler 201 respectively by the second mixed water water return pipeline 209, the second flow rate test mouth 208 is provided with the 4th pressure transducer 210, the 4th flow sensor 211 and the 4th temperature sensor 212, the 4th pressure transducer 210 is connected with the 4th pressure display instrument 213, the 4th flow sensor 211 is connected with the 4th Flow Measurement Display Meter 214, and the 4th temperature sensor 212 is connected with the 4th temperature indicator 215; The second cold water test port 204 is provided with the 5th temperature sensor 216 and the 5th pressure transducer 217, the five pressure transducers 217 are connected with the 5th pressure display instrument 218, and second temperature sensor 216 is connected with the 5th temperature indicator 219; The second hot water test port, 203 front ends also are provided with the 6th temperature sensor 220 and the 6th pressure transducer 221, the 6th pressure transducer 221 is connected with the 6th pressure display instrument 222, the 6th temperature sensor 220 is connected with the 6th temperature indicator 223, torsional moment test flexible axle 224 is connected with stepper motor 225, and stepper motor 225 is connected with drive unit 226.
Wherein being connected with balance pipe 227, the second mixed water water return pipelines 209 between second boiler 201 and second cold water storage cistern 202 is connected with second boiler 201 and second cold water storage cistern 202 by balance pipe 227.The temperature control equipment of second boiler and second cold water storage cistern and first boiler and first cold water storage cistern are similar, do not repeat them here.
The second cold water pipeline is provided with water supply pump 228, be provided with first solenoid valve 231 and first retaining valve 232 between the water supply pump 228 and the second cold water test port 204, second hot water line is provided with heat-exchanger pump 229, be provided with the 4th solenoid valve 233 and the 4th retaining valve 234 between the heat-exchanger pump 229 and the second hot water test port 203, the cold water auxiliary piping is provided with cold water service pump 230, be provided with second solenoid valve 235 and second retaining valve 236 between the cold water service pump 230 and the second cold water test port 204, be provided with the 3rd solenoid valve 237 and the 3rd retaining valve 238 between the cold water auxiliary piping 230 and the second hot water test port 203, regulate the aperture of electric control valve 243 among cold water pipeline and the hot water line, make cold water pipeline and hot water line's pressure reach testing requirements.Regulate the aperture of electric control valve 241 in the cold water auxiliary piping, the pressure of regulating the cold water auxiliary piping reaches testing requirements.Can require the intake pressure of the hot and cold water end (W.E.) of two kinds of operating modes of preset like this according to the durability test of alternately changing water, the unlatching of control electromagnetic valve and closure during test satisfy the correlation test requirement.242 is solenoid valve in the cold water auxiliary piping among the figure.
Tested water nozzle 244 is installed as shown in the figure, and its water inlet of hot water is connected with hot water test port 203, and cold water inlet is connected with cold water test port 204, outlet is connected with flow rate test mouth 208, water nozzle control handle and flexible axle connect 224 and connect, and adopt the flexible axle connecting mode, and be easy to install.
Data processing and control module 7 comprise Programmable Logic Controller PLC and computing machine, are used for measurement data acquisition and handle and solenoid valve the control of electric control valve etc.The measuring-signal of each sensor on above-mentioned combined test stand and the life-test rack (flow, pressure, temperature, moment of torsion etc.) all shows by each display instrument (Flow Measurement Display Meter, pressure display instrument, temperature indicator, moment of torsion display instrument etc.), these measuring-signals are sent into data processing and control module, become through instrument and to send or by PLC acquisition module input computing machine, computing machine with relevant measurement data write down, storage and printout.
Claims (10)
1. temperature control water nozzle product pick-up unit, comprise combined test stand and life-test rack, it is characterized in that combined test stand is provided with the first hot and cold water performance test unit, torsion-testing unit and pressure testing unit, life-test rack is provided with the second hot and cold water performance test unit, and said units also is connected with data processing and control module.
2. temperature control water nozzle product pick-up unit as claimed in claim 1, it is characterized in that combined test stand comprises the first hot and cold water performance test unit, the first hot and cold water performance test unit comprises first boiler and first cold water storage cistern, first boiler and first cold water storage cistern are equipped with temperature control equipment, first boiler is by being connected with the first hot water test port with first hot water line, first cold water storage cistern is connected with the first cold water test port by the first cold water pipeline, the first flow test port is connected with first cold water storage cistern with first boiler respectively by the first mixed water water return pipeline, the first flow test port is provided with first pressure transducer, the first flow sensor and first temperature sensor, first pressure transducer is connected with first pressure display instrument, the first flow sensor is connected with the first flow display instrument, and first temperature sensor is connected with first temperature indicator; The first cold water test port is provided with second temperature sensor and second pressure transducer, and second pressure transducer is connected with second pressure display instrument, and second temperature sensor is connected with second temperature indicator; The first hot water test port front end also is provided with three-temperature sensor and the 3rd pressure transducer, and the 3rd pressure transducer is connected with the 3rd pressure display instrument, and three-temperature sensor is connected with the 3rd temperature indicator.
3. temperature control water nozzle product pick-up unit as claimed in claim 2 is characterized in that being connected with balance pipe between first boiler and first cold water storage cistern, and the first mixed water water return pipeline is connected with first boiler and first cold water storage cistern by balance pipe.
4. temperature control water nozzle product pick-up unit as claimed in claim 3 is characterized in that the first mixed water reflux line also is connected with the flow rate test mixed water exports by second flow sensor, and second flow sensor is connected with second Flow Measurement Display Meter.
5. temperature control water nozzle product pick-up unit as claimed in claim 3, it is characterized in that the first mixed water reflux line is connected with the metering outlet with a normally closed collection solenoid valve by a normally open solenoid valve, metering outlet below is provided with measuring cup, and measuring cup is placed on the electronic balance.
6. temperature control water nozzle product pick-up unit as claimed in claim 2, it is characterized in that the torsion-testing unit comprises retaining sleeve, retaining sleeve is connected with torque output shaft by flexibly connecting axle, torque output shaft is connected with the worm gear coupling shaft by torque sensor, torque sensor is connected with the moment of torsion display instrument, the worm gear coupling shaft is connected with worm gear, and worm gear is connected with worm mesh, and worm screw is connected with handwheel.
7. temperature control water nozzle product pick-up unit as claimed in claim 1, it is characterized in that the pressure testing unit comprises water tank, water tank is connected with the input end of motor test pump, the output terminal of motor test pump is connected with the pressure testing interface, the pressure testing interface is provided with pressure transducer, pressure transducer is connected with pressure display instrument, and the output terminal of motor test pump also is connected with water tank by electric control valve, and the backwater interface is connected with water tank.
8. temperature control water nozzle product pick-up unit as claimed in claim 1, it is characterized in that life-test rack comprises the second hot and cold water performance test unit, the second hot and cold water performance test unit comprises second boiler and second cold water storage cistern, second boiler and second cold water storage cistern are equipped with temperature control equipment, second boiler is by being connected with the second hot water test port with second hot water line, second cold water storage cistern is connected with the second cold water test port by the second cold water pipeline, second cold water storage cistern also is connected with the second cold water test port with the second hot water test port respectively by the cold water auxiliary piping, the second flow rate test mouth is connected with second cold water storage cistern with second boiler respectively by the second mixed water water return pipeline, the second flow rate test mouth is provided with the 4th pressure transducer, the 4th flow sensor and the 4th temperature sensor, the 4th pressure transducer is connected with the 4th pressure display instrument, the 4th flow sensor is connected with the 4th Flow Measurement Display Meter, and the 4th temperature sensor is connected with the 4th temperature indicator; The second cold water test port is provided with the 5th temperature sensor and the 5th pressure transducer, and the 5th pressure transducer is connected with the 5th pressure display instrument, and second temperature sensor is connected with the 5th temperature indicator; The second hot water test port front end also is provided with the 6th temperature sensor and the 6th pressure transducer, the 6th pressure transducer is connected with the 6th pressure display instrument, the 6th temperature sensor is connected with the 6th temperature indicator, and the torsional moment test flexible axle is connected with stepper motor, and stepper motor is connected with drive unit.
9. temperature control water nozzle product pick-up unit as claimed in claim 8 is characterized in that wherein being connected with balance pipe between second boiler and second cold water storage cistern, and the second mixed water water return pipeline is connected with second boiler and second cold water storage cistern by balance pipe.
10. temperature control water nozzle product pick-up unit as claimed in claim 8, it is characterized in that the second cold water pipeline is provided with water supply pump, be provided with first electric control valve and first retaining valve between the water supply pump and the second cold water test port, second hot water line is provided with heat-exchanger pump, be provided with the 4th electric control valve and the 4th retaining valve between the heat-exchanger pump and the second hot water test port, the cold water auxiliary piping is provided with the cold water service pump, be provided with second electric control valve and second retaining valve between the cold water service pump and the second cold water test port, be provided with the 3rd electric control valve and the 3rd retaining valve between the cold water auxiliary piping and the second hot water test port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020109895XU CN201707219U (en) | 2010-02-08 | 2010-02-08 | Detection device for temperature control water faucet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020109895XU CN201707219U (en) | 2010-02-08 | 2010-02-08 | Detection device for temperature control water faucet |
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| CN201707219U true CN201707219U (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020109895XU Expired - Fee Related CN201707219U (en) | 2010-02-08 | 2010-02-08 | Detection device for temperature control water faucet |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198178A (en) * | 2014-09-18 | 2014-12-10 | 上海建科检验有限公司 | Water nozzle sensitivity test device |
| CN104198177A (en) * | 2014-09-18 | 2014-12-10 | 上海建科检验有限公司 | Test system for multiple performances of water nozzle |
| CN106872110A (en) * | 2017-03-30 | 2017-06-20 | 浙江安胜科技股份有限公司 | A kind of U-shaped wire loop protects circulating automatic survey water dispenser |
| CN107702858A (en) * | 2017-11-21 | 2018-02-16 | 鹤山市金汇五金卫浴实业有限公司 | A kind of leak-checking apparatus |
| CN109060327A (en) * | 2018-07-27 | 2018-12-21 | 珠海市盛西源机电设备有限公司 | Hot and cold water alternately testing machine |
| CN109596271A (en) * | 2019-01-17 | 2019-04-09 | 上海出入境检验检疫局工业品与原材料检测技术中心 | A kind of system for the close test of packing container constant temperature liquid |
| CN114719431A (en) * | 2022-03-09 | 2022-07-08 | 中国国检测试控股集团陕西有限公司 | Constant-speed heating device and heating method |
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2010
- 2010-02-08 CN CN201020109895XU patent/CN201707219U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198178A (en) * | 2014-09-18 | 2014-12-10 | 上海建科检验有限公司 | Water nozzle sensitivity test device |
| CN104198177A (en) * | 2014-09-18 | 2014-12-10 | 上海建科检验有限公司 | Test system for multiple performances of water nozzle |
| CN106872110A (en) * | 2017-03-30 | 2017-06-20 | 浙江安胜科技股份有限公司 | A kind of U-shaped wire loop protects circulating automatic survey water dispenser |
| CN106872110B (en) * | 2017-03-30 | 2023-03-21 | 浙江安胜科技股份有限公司 | Automatic water machine of surveying of U molded lines environmental protection circulation |
| CN107702858A (en) * | 2017-11-21 | 2018-02-16 | 鹤山市金汇五金卫浴实业有限公司 | A kind of leak-checking apparatus |
| CN109060327A (en) * | 2018-07-27 | 2018-12-21 | 珠海市盛西源机电设备有限公司 | Hot and cold water alternately testing machine |
| CN109596271A (en) * | 2019-01-17 | 2019-04-09 | 上海出入境检验检疫局工业品与原材料检测技术中心 | A kind of system for the close test of packing container constant temperature liquid |
| CN109596271B (en) * | 2019-01-17 | 2023-12-22 | 上海海关工业品与原材料检测技术中心 | System for be used for packaging container constant temperature liquid-tight test |
| CN114719431A (en) * | 2022-03-09 | 2022-07-08 | 中国国检测试控股集团陕西有限公司 | Constant-speed heating device and heating method |
| CN114719431B (en) * | 2022-03-09 | 2023-08-18 | 中国国检测试控股集团陕西有限公司 | Uniform temperature rise heating method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20150208 |
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| EXPY | Termination of patent right or utility model |