CN210397815U - Constant-temperature water washing device - Google Patents
Constant-temperature water washing device Download PDFInfo
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- CN210397815U CN210397815U CN201920316450.XU CN201920316450U CN210397815U CN 210397815 U CN210397815 U CN 210397815U CN 201920316450 U CN201920316450 U CN 201920316450U CN 210397815 U CN210397815 U CN 210397815U
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Abstract
A constant-temperature water washing device comprises a cold-heat exchanger (1), a cold water inlet pipe (5), a hot water inlet pipe (6), a warm water outlet pipe (7), an adjusting controller (8), a flow adjusting valve (9) and a temperature sensor (10), wherein the cold-heat exchanger (1) is provided with a cold water inlet (2), a hot water inlet (3) and a warm water outlet (4) which are respectively connected with water pipes corresponding to the cold-heat exchanger, the warm water outlet pipe (7) is provided with the temperature sensor (10) for detecting the temperature of water, the hot water inlet pipe (6) is preferably provided with the flow adjusting valve (9) for adjusting the inlet amount of hot water, the temperature sensor (10) is in communication connection with the adjusting controller (8), the flow adjusting valve (9) is preferably a pneumatic adjusting valve, the adjusting controller (8) is preferably a PID controller, the PID controller outputs an electric signal to control the opening value of the pneumatic adjusting valve to control the outlet, and closed-loop control is realized.
Description
Technical Field
The utility model belongs to the technical field of the industry washing technique and specifically relates to a constant temperature washing device is related to.
Background
In industrial production, materials are cleaned by warm water at normal temperature, for some materials sensitive to temperature, higher requirements are put on the relative constancy of water temperature during cleaning, the temperature of outlet water is constant during water cleaning, and the temperature difference cannot float too much, for example, the temperature is required to be within a range of not more than 1 ℃ above and below a set temperature.
The existing cold and hot water mixing device can not realize constant temperature control, the difference between the temperature difference and the allowable range of the temperature required by water washing is large, and the working water temperature can not reach the constant temperature required by the water washing process, so that the constant temperature water washing technology capable of realizing whole-process closed-loop control needs to be researched and developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the washing device among the prior art and can not provide a constant temperature washing device with the problem of temperature control in stable range.
To achieve the above object, the present invention adopts the following:
a constant-temperature water washing device comprises a cold heat exchanger, a cold water inlet pipe, a hot water inlet pipe, a warm water outlet pipe, an adjusting controller, a flow adjusting valve and a temperature sensor, wherein the cold heat exchanger is provided with a cold water inlet, the cold water inlet is connected with the cold water inlet pipe, the cold heat exchanger is provided with a hot water inlet, the hot water inlet is connected with the hot water inlet pipe, the cold heat exchanger is provided with a warm water outlet, the warm water outlet is connected with the warm water outlet pipe, the warm water outlet pipe is provided with the temperature sensor for detecting the temperature of water, the cold water inlet pipe and/or the hot water inlet pipe are provided with the flow adjusting valve for adjusting the entering amount of cold water and/or hot water, the temperature sensor is in communication connection with the adjusting controller of the constant-temperature water, and the regulating controller is in communication connection with the flow regulating valve.
Preferably, the flow regulating valve is only arranged on the hot water inlet pipe for regulating the inlet amount of hot water.
Preferably, the cold water inlet is arranged at the left end of the cold-heat exchanger, the hot water inlet is arranged at the bottom end of the cold-heat exchanger, and the warm water outlet is arranged at the right side of the cold-heat exchanger.
Preferably, the flow regulating valve is a pneumatic regulating valve, and the regulating controller outputs an electric signal to an opening degree setting port of the pneumatic regulating valve.
Preferably, the regulating controller is a PID controller.
Preferably, the PID controller controls the outlet water temperature within a range not exceeding a set temperature +/-1 ℃.
Preferably, the adjusting controller is integrated with a control display instrument.
Preferably, the control display is provided with a control button.
As a further improvement, temperature sensors are arranged on the cold water inlet pipe and the hot water inlet pipe, and the cold water inlet pipe and the temperature sensors on the hot water inlet pipe are in communication connection with the adjusting controller.
As a further improvement, the constant-temperature water washing device further comprises a stirring device, the stirring device comprises a motor, a rotating shaft and stirring blades, the motor is connected with the rotating shaft, the rotating shaft extends to the inside of the cold-heat exchanger, the stirring blades are arranged around the rotating shaft, and the stirring device is in communication connection with the adjustment controller.
The utility model has the advantages that:
the utility model discloses a constant temperature washing device, through the automated inspection and the regulatory function of temperature, can be according to the temperature of settlement and error range automatically regulated hot water entering volume, and then realize the warm water constancy of temperature that the outlet pipe flows, can realize real closed-loop control, compact structure, control accuracy is high, convenient to use.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a constant-temperature water washing device according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a constant-temperature water washing device according to embodiment 2 of the present invention.
Fig. 3 is a schematic structural view of a constant-temperature water washing apparatus according to embodiment 3 of the present invention.
In the figures, the various reference numbers are:
1-cold heat exchanger, 2-cold water inlet, 3-hot water inlet, 4-warm water outlet, 5-cold water inlet pipe, 6-hot water inlet pipe, 7-warm water outlet pipe, 8-adjusting controller, 9-flow adjusting valve, 10-temperature sensor, 11-control display instrument, 12-control button, 13-stirring device, 131-motor, 132-rotating shaft and 133-stirring blade.
Detailed Description
In order to illustrate the invention more clearly, the invention is further described below with reference to preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
Example 1
As shown in fig. 1, fig. 1 is a schematic structural view of a constant temperature water washing apparatus according to embodiment 1 of the present invention. The method comprises the following steps: cold and heat exchanger 1, cold water inlet tube 5, hot water inlet tube 6, warm water outlet pipe 7, adjustment controller 8, flow control valve 9, temperature sensor 10 be provided with cold water inlet 2 on the cold and heat exchanger 1, cold water inlet 2 is connected with cold water inlet tube 5 be provided with hot water inlet 3 on the cold and heat exchanger 1, hot water inlet 3 is connected with hot water inlet tube 6 be provided with warm water delivery port 4 on the cold and heat exchanger 1, warm water delivery port 4 is connected with warm water outlet pipe 7.
In the present embodiment, the cold water inlet 2 is arranged at the left end of the cold-heat exchanger 1, the hot water inlet 3 is arranged at the bottom end of the cold-heat exchanger 1, and the warm water outlet 4 is arranged at the right side of the cold-heat exchanger 1, which has a significant advantage of facilitating the design or selection of the cold-heat exchanger 1, for example, the required cold-heat exchanger 1 can be obtained by modifying a tee pipe in the prior art.
The temperature control device is characterized in that a temperature sensor 10 used for detecting the temperature of water is arranged on the warm water outlet pipe 7, a flow regulating valve 9 used for regulating the entering amount of hot water is arranged on the hot water inlet pipe 6, the temperature sensor 10 is in communication connection with an adjusting controller 8 of the constant-temperature water washing device, and the adjusting controller 8 is in communication connection with the flow regulating valve 9.
In the present embodiment, the flow regulating valve 9 is preferably a pneumatic regulating valve, and the regulating controller 8 is preferably a PID controller.
Further, the adjusting controller 8 is integrated with a control display instrument 11, and further, the control display instrument 11 is provided with a control button 12, so that the control display instrument 11 and the control button 12 are convenient for displaying and adjusting the water outlet temperature and controlling the operation of the whole constant-temperature water washing device.
Further, the cold heat exchanger 1 is made of a corrosion-resistant, high temperature-resistant material.
When the device is used, the temperature of the discharged water can be firstly set by the adjusting controller 8, then cold water and hot water are respectively supplied by the cold water inlet pipe 5 and the hot water inlet pipe 6, at the moment, the adjusting controller 8 adjusts the opening value of the flow adjusting valve 9 on the hot water inlet pipe 6 by the set temperature of the discharged water, the quantity of the discharged hot water is controlled, the discharged hot water and the cold water are matched to present a set temperature, when the mixed warm water is discharged from the warm water outlet pipe 7, the temperature sensor 10 arranged on the warm water outlet pipe 7 detects the temperature of the discharged water, then the detected temperature signal is transmitted to the adjusting controller 8 (which can be synchronously displayed on the control display instrument 11), when the temperature difference is within an allowable range, the opening degree of the flow adjusting valve 9 is kept unchanged, when the temperature difference exceeds the allowable range, the adjusting controller 8 controls the quantity of the discharged hot water by adjusting the opening degree of the flow adjusting valve 9, until the warm water temperature stabilizes around the set point.
In the embodiment, the adjusting controller 8 adopts a PID controller, the control precision is high, the temperature difference can be set to +/-1 ℃, the flow regulating valve 9 adopts a pneumatic regulating valve, the output signal (4-20mA current signal) of the PID controller is transmitted to the opening given port of the pneumatic regulating valve, the response is sensitive, and the adaptation of the water temperature to the material to be cleaned is effectively ensured.
Example 2
The scheme of this embodiment 2 is further proposed based on embodiment 1, as shown in fig. 2, in this embodiment 2, in addition to the temperature sensor 10 disposed on the warm water outlet pipe 7, temperature sensors 10 are also disposed on the cold water inlet pipe 5 and the hot water inlet pipe 6, and the temperature sensors 10 on the cold water inlet pipe 5 and the hot water inlet pipe 6 are also in communication connection with the adjustment controller 8.
The advantage of this embodiment lies in, the temperature of each water pipe normal water of instant feedback has been made things convenient for on the one hand, can detect the temperature of cold water in cold water inlet tube 5 and the hydrothermal temperature in hot water inlet tube 6 through temperature sensor 10 on cold water inlet tube 5 and the hot water inlet tube 6 on the one hand, feed back this temperature information to adjustment controller 8, adjustment controller 8 can make more accurate judgement to the opening value of flow control valve 9 very fast in view of the above, human intervention has been reduced, the initial set time has been shortened, the device operation is safe and reliable more.
Other contents not described in this embodiment can be the same as those in embodiment 1, and are not described herein again.
Example 3
The solution of this embodiment 3 is further proposed based on embodiment 1 or embodiment 2, as shown in fig. 3, in this embodiment 3, the thermostatic water washing device further includes a stirring device 13, and the stirring device 13 is disposed on the heat exchanger 1 and is connected to the regulation controller 8 in communication.
The present embodiment has an advantage in that when the mixing time of the cold water and the hot water entering from the cold water inlet pipe 5 and the hot water inlet pipe 6 is short in the cold heat exchanger 1, the temperature uniformity of the warm water flowing out from the warm water outlet pipe 7 may be affected due to insufficient heat exchange, and thus the overall working water temperature is affected, and the heat exchange may be assisted by providing the stirring device 13 on the cold heat exchanger 1, so that the water temperature is uniform.
Further, the stirring device 13 includes a motor 131, a rotating shaft 132 and stirring blades 133, further, the motor 131 is disposed at the center of the upper end of the cold heat exchanger 1, the rotating shaft 132 is disposed at the bottom end of the motor 131, the rotating shaft 132 passes through the cold heat exchanger 1 and extends to the inside of the cold heat exchanger 1, and the stirring blades 133 are disposed around the rotating shaft 132.
The stirring device 13 in this embodiment can be started when the cold and hot water enters the heat exchanger 1, and the motor 131 drives the stirring blades 133 on the rotating shaft 132 to rotate, so as to stir the cold and hot water, so as to keep the temperature of the outlet water uniform.
Other contents not described in this embodiment may be the same as those in embodiment 1 or embodiment 2, and are not described herein again.
Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all the embodiments cannot be exhausted here, and all the obvious variations or changes that belong to the technical solutions of the present invention are still in the protection scope of the present invention.
Claims (5)
1. The constant-temperature water washing device is characterized by comprising a cold-heat exchanger (1), a cold water inlet pipe (5), a hot water inlet pipe (6), a warm water outlet pipe (7), an adjusting controller (8), a flow adjusting valve (9) and a temperature sensor (10), wherein the cold-heat exchanger (1) is provided with a cold water inlet (2), the cold water inlet (2) is connected with the cold water inlet pipe (5), the cold-heat exchanger (1) is provided with a hot water inlet (3), the hot water inlet (3) is connected with the hot water inlet pipe (6), the cold-heat exchanger (1) is provided with a warm water outlet (4), the warm water outlet (4) is connected with the warm water outlet pipe (7), and the warm water outlet (7) is provided with the temperature sensor (10) for detecting the temperature of water, a flow regulating valve (9) used for regulating the entering amount of hot water is arranged on the hot water inlet pipe (6), the flow regulating valve (9) is only arranged on the hot water inlet pipe (6) and used for regulating the entering amount of the hot water, the temperature sensor (10) is in communication connection with an adjusting controller (8) of the constant temperature washing device, and the adjusting controller (8) is in communication connection with the flow regulating valve (9); the cold-heat exchanger (1) is a three-way pipe modified type, the cold water inlet (2) is arranged at the left end of the cold-heat exchanger (1), the hot water inlet (3) is arranged at the bottom end of the cold-heat exchanger (1), and the warm water outlet (4) is arranged at the right side of the cold-heat exchanger (1); the flow regulating valve (9) is a pneumatic regulating valve, the regulating controller (8) outputs an electric signal to be transmitted to an opening given port of the pneumatic regulating valve, and the regulating controller (8) regulates the opening value of the flow regulating valve (9) on the hot water inlet pipe (6) through the set outlet water temperature, controls the outlet hot water quantity, and enables the outlet hot water to be matched with cold water to be at a set temperature; the adjusting controller (8) is a PID controller, the PID controller controls the outlet water temperature within the range of not more than the set temperature +/-1 ℃, the output signal of the PID controller is transmitted to the opening given port of the pneumatic adjusting valve, and the output signal is a 4-20mA current signal.
2. Thermostatic water washing device according to claim 1, characterized in that the regulating controller (8) is integrated with a control display (11).
3. A thermostatic water washing device as defined in claim 2, characterized in that the control display (11) is provided with control buttons (12).
4. A thermostatic water washing device as defined in claim 1 wherein temperature sensors (10) are also provided on both the cold water inlet pipe (5) and the hot water inlet pipe (6), and the temperature sensors (10) on both the cold water inlet pipe (5) and the hot water inlet pipe (6) are also in communication connection with the adjustment controller (8).
5. A constant-temperature water washing device as claimed in claim 1, further comprising a stirring device (13), wherein the stirring device (13) comprises a motor (131), a rotating shaft (132) and stirring blades (133), the motor (131) is connected with the rotating shaft (132), the rotating shaft (132) extends to the inside of the heat-cold exchanger (1), the stirring blades (133) are arranged around the rotating shaft (132), and the stirring device is in communication connection with the adjustment controller (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920316450.XU CN210397815U (en) | 2019-03-13 | 2019-03-13 | Constant-temperature water washing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920316450.XU CN210397815U (en) | 2019-03-13 | 2019-03-13 | Constant-temperature water washing device |
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| Publication Number | Publication Date |
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| CN210397815U true CN210397815U (en) | 2020-04-24 |
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| CN201920316450.XU Active CN210397815U (en) | 2019-03-13 | 2019-03-13 | Constant-temperature water washing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111468458A (en) * | 2020-04-26 | 2020-07-31 | 盐城博尔福机电科技发展有限公司 | Intelligent control method of high-pressure cleaning machine |
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2019
- 2019-03-13 CN CN201920316450.XU patent/CN210397815U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111468458A (en) * | 2020-04-26 | 2020-07-31 | 盐城博尔福机电科技发展有限公司 | Intelligent control method of high-pressure cleaning machine |
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