CN203465611U - Constant temperature control device applied to digital printing machine nozzle - Google Patents
Constant temperature control device applied to digital printing machine nozzle Download PDFInfo
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- CN203465611U CN203465611U CN201320539956.XU CN201320539956U CN203465611U CN 203465611 U CN203465611 U CN 203465611U CN 201320539956 U CN201320539956 U CN 201320539956U CN 203465611 U CN203465611 U CN 203465611U
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Abstract
The utility model discloses a constant temperature control device applied to a digital printing machine nozzle. The constant temperature control device comprises a water tank which accommodates water used as a heat exchange medium, a heating and refrigerating system which is connected with a first water inlet pipe which inputs water into the water tank, and a first water return pipe, a thermocouple sensor which is immersed in the water in the water tank, a temperature controller which is connected between the heating and refrigerating system and the thermocouple sensor and controls an input power supply of the heating and refrigerating system by setting a temperature value and according to a temperature signal fed back by the thermocouple sensor, a first water passing board which is fitly arranged on the nozzle and carries out heat exchange with the nozzle, a first pump which is arranged in the water tank and is used for pumping the water in the water tank into the heating and refrigerating system through the first water inlet pipe, and a second pump which is arranged in the water tank and is used for pumping the water in the water tank into the first water passing board through a second water inlet pipe, wherein the first water return pipe outputs water whose temperature is higher or lower than the temperature of the water of the first water inlet pipe through heating or refrigerating and is connected with the inner water tank. According to the utility model, heating and refrigerating can be carried out on the nozzle, and the temperature of the nozzle can be effectively and constantly controlled.
Description
Technical field
The utility model relates to the control technology of digital decorating machine, is specifically related to the thermostatically-controlled equipment for digital decorating machine shower nozzle.
Background technology
In digital decorating machine when work,, because viscosity, the surface tension of ink are very responsive to temperature, when environment temperature is during above and below certain scope, digital decorating machine shower nozzle (hereinafter to be referred as shower nozzle) air brushing is easy disconnected China ink all.The ideal temperature state of shower nozzle is 28 ℃ to 30 ℃, and traditional nozzle temperature depends primarily on environment temperature, so conventionally require to print work in air-conditioned room.But for carrying out great Mo amount while printing, the approximately 6 ℃ of left and right of still can rising of the nozzle temperature in air-conditioned room, cause the disconnected China ink of air brushing and affect print quality.On the other hand, when temperature during lower than 15 ℃ disconnected China ink even more serious, will have a strong impact on printing effect.
Chinese utility model patent discloses a kind of system for heating spray head in spray-painting device, and application number is 200610152810.4, and it is by electrothermal tube heating water box wall and heat shower nozzle by water circulation, has following defect:
In water box, water temperature can not accurately be controlled, its former because: heating tube and thermistor are arranged in water box, the direct heating water box of heating tube wall, water box again by thermal energy transfer to thermistor and water; Water box transmits thermal energy transfer to thermistor in heat conducting mode, water box is the heat energy transmitting in the mode of convection heat transfer by thermal energy transfer feedwater.Both coefficient of heat conductivity, thermal resistance and thermaltransmission mode are different, so the detected temperatures of thermistor (temperature) sensor is not identical with the actual temperature of water in water box in heating process.Meanwhile, the heating process of water box is intermittently carried out, and stops after being heated to uniform temperature, lower than starting heating after uniform temperature.Known by above analysis, there are thermal resistance phenomenons different and that intermittently heat in said method, whole heating process is an astable heating process, so the actual temperature of water detected temperatures than thermocouple sensor under the effect of hot coherence has fluctuation in actual heating process, ± 4 ℃ of left and right of common fluctuation, the temperature control precision of shower nozzle is low.And print quality can not be improved in nozzle temperature frequent fluctuation ± 4 ℃, can affect on the contrary the fluency of ink, cause disconnected black phenomenon.
In addition, existingly shower nozzle is carried out to temperature controlled method be type of heating, can not solve the problem that shower nozzle need to be lowered the temperature in higher temperatures, the air brushing quality in the time of cannot guaranteeing shower nozzle air brushing operation.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to be provided for the thermostatically-controlled equipment of digital decorating machine shower nozzle, can shower nozzle be heated and be freezed, effectively the temperature of constant control shower nozzle.
The purpose of this utility model adopts following technical scheme to realize:
Thermostatically-controlled equipment for digital decorating machine shower nozzle, comprising:
Water tank, is loaded with the water as heat exchange medium;
Heating and cooling system, is connected with the first water inlet pipe of input Water in Water Tanks, and through heating or refrigeration and output higher or lower than the first return pipe of the first water inlet pipe water temperature, this first return pipe accesses in described water tank;
Thermocouple sensor, immerses in the water of described water tank, for detection of the temperature of Water in Water Tanks;
Temperature controller, is connected between heating and cooling system and thermocouple sensor, by set temperature value and according to the input power of the temperature signal control heating and cooling system of thermocouple sensor feedback;
First crosses water plate, laminating be arranged on shower nozzle and with this shower nozzle heat interchange, be connected with the second water inlet pipe of input Water in Water Tanks, and through shower nozzle heat interchange output the second return pipe below or above the second water inlet pipe water temperature, this second return pipe accesses in described water tank;
The first water pump, is placed in water tank, for the water of water tank is pumped into heating and cooling system through the first water inlet pipe;
The second water pump, is placed in water tank, for the water of water tank is pumped into first through the second water inlet pipe, crosses water plate;
Described temperature controller is by its set temperature value and according to the input power of the temperature signal control heating and cooling system of thermocouple sensor feedback, water heating or refrigeration that heating and cooling system pumps into the first water pump, water after this heating or refrigeration returns in water tank by the first return pipe, the Water in Water Tank circulation of formation control Water in Water Tanks temperature; Described the second water pump pumps into first by the water in water tank by the second water inlet pipe and crosses water plate, and this first crosses water plate and shower nozzle heat interchange, through with shower nozzle heat interchange after water by the second return pipe, return to water tank, the shower nozzle water circulation of formation control nozzle temperature.
Preferably, described heating and cooling system comprises stacked from the bottom to top the second mistake water plate, thermal insulation board, heat radiator and fan, in described thermal insulation board, semiconductor cooler is housed, this semiconductor cooler comprises control circuit and be embedded in the semiconductor chilling plate on thermal insulation board, and described control circuit has corresponding port and is electrically connected to semiconductor chilling plate, fan and temperature controller respectively; Described the first water inlet pipe and the first return pipe are connected to second and cross on water plate.
Preferably, described semiconductor chilling plate end face and bottom surface correspondence flush with end face and the bottom surface of thermal insulation board respectively, the end face of semiconductor chilling plate and heat radiator laminating, and the laminating of water plate is crossed in the bottom surface of semiconductor chilling plate and second.
Preferably, described semiconductor chilling plate is a plurality of, is distributed on thermal insulation board.
Preferably, described second is provided with the first serpentine waterways in water plate excessively, and one end of this first serpentine waterways is communicated with the first water inlet pipe, and the other end of the first serpentine waterways is communicated with the first return pipe.
Preferably, described first is provided with the second serpentine waterways in water plate excessively, and one end of this second serpentine waterways is communicated with the second water inlet pipe, and the other end of the second serpentine waterways is communicated with the second return pipe.
Preferably, described heating and cooling system and water tank are installed on a base jointly, and heating and cooling system and water tank interval setting side by side.
Compared to existing technology, the beneficial effects of the utility model are:
(1) the utility model can pass through heating and cooling system, can heat, can freeze again, pump water conservancy project by the first water pump is done, and by Water in Water Tank, circulates the water in thermostatic control water tank, then does by the pump water conservancy project of the second water pump, by shower nozzle water circulation, carry out thermostatic control shower nozzle, can meet heating needs and the cooling needs of shower nozzle to shower nozzle heating or cooling, under different temperatures environment, all can guarantee the fluency of ink, guarantee print quality, avoid disconnected black phenomenon;
(2) two water circulations of the present utility model are separated and do not interfere with each other, effectively improve the fluctuation of Water in Water Tanks temperature, be conducive to the accurate control of water temperature, and avoided the low problem of nozzle temperature control accuracy that in prior art, thermal resistance is different and interrupted heating brings, thermocouple sensor of the present utility model is immersed in the water in water tank, can improve the accuracy that thermocouple sensor detects water temperature, further improve the precision of thermostatic control shower nozzle.
(3) the utility model carries out by two water pumps the mobility that water circulation can be accelerated water in the serpentine waterways of two mistake water plates, the heat transference efficiency that is conducive to two mistake water plates and Water in Water Tanks, and by temperature controller, input power to semiconductor cooler is controlled, after water temperature reaches setting value, the first water pump and heating and cooling system quit work, when water temperature, control heating and cooling system during lower than 1 ℃ of setting value and start heating, when water temperature, control semiconductor cooler during higher than 1 ℃ of setting value and start refrigeration.Thereby can effectively prevent the hot coherence of water temperature, be of value to the constant of Water in Water Tanks temperature and accurately control.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model thermostatically-controlled equipment;
Fig. 2 removes the schematic diagram of water tank in Fig. 1;
Fig. 3 is the structural representation of the utility model thermal insulation board;
Fig. 4 is the cross-sectional schematic that the utility model second is crossed water plate.
In figure: 1, water tank; 2, heating and cooling system; 21, the first water inlet pipe; 22, the first return pipe; 23, second cross water plate; 231, the first serpentine waterways; 24, thermal insulation board; 25, heat radiator; 26, fan; 27, semiconductor chilling plate; 3, first cross water plate; 31, the second water inlet pipe; 32, the second return pipe; 4, the first water pump; 5, the second water pump; 6, base; 7, shower nozzle.
Embodiment
The thermostatically-controlled equipment for digital decorating machine shower nozzle as shown in Figure 1 and 2, comprising: water tank 1, heating and cooling system 2, thermocouple sensor (not shown), temperature controller (not shown), first are crossed water plate 3, the first water pump 4, the second water pump 5 and base 6.Heating and cooling system 2 and water tank 1 are installed on base 6 jointly, and heating and cooling system 2 and water tank 1 interval setting side by side.
Wherein, be loaded with the water as heat exchange medium in water tank 1, water tank 1 is a cuboid box shell; Heating and cooling system 2 is connected with the first water inlet pipe 21 of water in input water tank 1, and through heating or refrigeration and output higher or lower than the first return pipe 22 of the first water inlet pipe 21 water temperatures, in the described water tank 1 of this first return pipe, 22 access; Thermocouple sensor immerses in the water of water tank 1, for detection of the temperature of water in water tank 1; Temperature controller, is connected between heating and cooling system and thermocouple sensor, by set temperature value and according to the input power of the temperature signal control heating and cooling system of thermocouple sensor feedback; First cross that 3 laminatings of water plate are arranged on shower nozzle 7 and with these shower nozzle 7 heat interchange, be connected with the second water inlet pipe 31 of water in input water tank 1, with the second return pipe 32 below or above the second water inlet pipe 31 water temperatures through shower nozzle 7 heat interchange outputs, in these the second return pipe 32 access water tanks 1; The first water pump 4 is placed in water tank 1, for the water of water tank 1 is pumped into heating and cooling system 2 through the first water inlet pipe 21; The second water pump 5 is placed in water tank 1, for the water of water tank 1 is pumped into first through the second water inlet pipe 31, crosses water plate 3.
Temperature controller is by its set temperature value and according to the input power of the temperature signal control heating and cooling system 2 of thermocouple sensor feedback, water heating or refrigeration that heating and cooling system 2 pumps into the first water pump 4, water after this heating or refrigeration returns in water tank 1 by the first return pipe 22, the Water in Water Tank of water temperature circulation in formation control water tank 1.
The second water pump 5 pumps into first by the water in water tank 1 by the second water inlet pipe 31 and crosses water plate 3, and this first crosses water plate 3 and shower nozzle 7 heat interchange, through with shower nozzle 7 heat interchange after water by the second return pipe 32, return to water tank 1, the shower nozzle water circulation of formation control shower nozzle 7 temperature.Shower nozzle water circulation is the direct thermostatic control to shower nozzle 7 temperature.
The heating and cooling system 2 of the present embodiment comprises stacked from the bottom to top the second mistake water plate 23, thermal insulation board 24, heat radiator 25 and fan 26, in thermal insulation board 24, semiconductor cooler is housed, this semiconductor cooler comprises control circuit (not shown) and be embedded in the semiconductor chilling plate 27 on thermal insulation board 24, and control circuit has corresponding port and is electrically connected to temperature controller, semiconductor chilling plate 27, fan 26 respectively; The first water inlet pipe 21 and the first return pipe 22 are connected to second and cross on water plate 23.
What Water in Water Tank circulation was controlled is the temperature of water in water tank 1, and the thermostat temperature value of shower nozzle 7 can be set in advance in temperature controller, and optimum temperature range during general shower nozzle 7 print job is 28 ℃ ~ 30 ℃.At the bottom of water temperature in water tank 1 in or during 1 ℃ of high setting value, temperature controller sends the control circuit that controls signal to semiconductor cooler, controls, to reach the accurate thermostatic control of the water temperature in water tank 1 with the input power to semiconductor cooler.
As shown in Figure 3, the end face of semiconductor chilling plate 27 and bottom surface correspondence flush with end face and the bottom surface of thermal insulation board 24 respectively, the end face of semiconductor chilling plate 27 and heat radiator 25 laminatings, and 23 laminatings of water plate are crossed in the bottom surface of semiconductor chilling plate 27 and second.Particularly, the semiconductor chilling plate 27 of the present embodiment is a plurality of, is distributed on thermal insulation board 24.
As shown in Figure 4, second is provided with the first serpentine waterways 231 in water plate 23 excessively, and one end of this first serpentine waterways 231 is communicated with the first water inlet pipe 21, and the other end of the first serpentine waterways 231 is communicated with the first return pipe 22.First is provided with the second serpentine waterways in water plate 3 excessively, and one end of this second serpentine waterways is communicated with the second water inlet pipe 31, and the other end of the second serpentine waterways is communicated with the second return pipe 32.The first serpentine waterways 231 is identical with the structure of the second serpentine waterways.
First crosses water plate 3 for completing the heat transmission of semiconductor chilling plate 27 bottom surface heat energy and serpentine waterways water.Heat radiator 25 is for absorbing semiconductor chilling plate 27 end face heat energy and being dissipated by fan 26, and wherein, the fan 26 of the present embodiment is set to two.Thermal insulation board 24 is crossed the heat transfer process of water plate 23 for separating heat radiator 25 and second, and plays the fixedly effect of semiconductor cooler of protection.
The principle of work of semiconductor cooler is: with wire, connect semiconductor cooler, connect direct current, semiconductor chilling plate 27 1 surface temperatures reduce, and another side temperature raises.If by reverse power connection, the temperature inverse variation on semiconductor chilling plate 27 two sides.
The feedback signal that temperature controller detects thermocouple sensor be need to lower the temperature to shower nozzle 7 time, water in 2 pairs of water tanks 1 of heating and cooling system is lowered the temperature, temperature controller sends control signal and controls control circuit, by control circuit, controlling semiconductor cooler forward connects, the bottom surface refrigeration of semiconductor chilling plate 27, indirect refrigeration second recirculated water of crossing in the first serpentine waterways 231 of water plate 23 of flowing through, semiconductor chilling plate 27 end faces heat, and heat energy is passed to heat radiator 25, under the control of control circuit, fan 26 runnings vapor away heat again; Otherwise, the feedback signal that temperature controller detects thermocouple sensor be need to heat shower nozzle 7 time, water in 2 pairs of water tanks 1 of heating and cooling system heats, temperature controller sends control signal and controls control circuit, by control circuit, controlling semiconductor cooler oppositely connects, semiconductor chilling plate 27 bottom surfaces heat, recirculated water in the first serpentine waterways 231 of indirect heating the second mistake water plate 23, semiconductor chilling plate 27 end faces freeze, and cold is passed to heat radiator 25, under the control of control circuit, fan 26 runnings vapor away cold again.
Above-mentioned embodiment is only preferred implementation of the present utility model; can not limit with this scope of the utility model protection, the variation of any unsubstantiality that those skilled in the art does on basis of the present utility model and replacement all belong to the utility model scope required for protection.
Claims (7)
1. for the thermostatically-controlled equipment of digital decorating machine shower nozzle, it is characterized in that comprising:
Water tank, is loaded with the water as heat exchange medium;
Heating and cooling system, is connected with the first water inlet pipe of input Water in Water Tanks, and through heating or refrigeration and output higher or lower than the first return pipe of the first water inlet pipe water temperature, this first return pipe accesses in described water tank;
Thermocouple sensor, immerses in the water of described water tank, for detection of the temperature of Water in Water Tanks;
Temperature controller, is connected between heating and cooling system and thermocouple sensor, by set temperature value and according to the input power of the temperature signal control heating and cooling system of thermocouple sensor feedback;
First crosses water plate, laminating be arranged on shower nozzle and with this shower nozzle heat interchange, be connected with the second water inlet pipe of input Water in Water Tanks, and through shower nozzle heat interchange output the second return pipe below or above the second water inlet pipe water temperature, this second return pipe accesses in described water tank;
The first water pump, is placed in water tank, for the water of water tank is pumped into heating and cooling system through the first water inlet pipe;
The second water pump, is placed in water tank, for the water of water tank is pumped into first through the second water inlet pipe, crosses water plate;
Described temperature controller is by its set temperature value and according to the input power of the temperature signal control heating and cooling system of thermocouple sensor feedback, water heating or refrigeration that heating and cooling system pumps into the first water pump, water after this heating or refrigeration returns in water tank by the first return pipe, the Water in Water Tank circulation of formation control Water in Water Tanks temperature; Described the second water pump pumps into first by the water in water tank by the second water inlet pipe and crosses water plate, and this first crosses water plate and shower nozzle heat interchange, through with shower nozzle heat interchange after water by the second return pipe, return to water tank, the shower nozzle water circulation of formation control nozzle temperature.
2. the thermostatically-controlled equipment for digital decorating machine shower nozzle according to claim 1, it is characterized in that: described heating and cooling system comprises stacked from the bottom to top the second mistake water plate, thermal insulation board, heat radiator and fan, in described thermal insulation board, semiconductor cooler is housed, this semiconductor cooler comprises control circuit and be embedded in the semiconductor chilling plate on thermal insulation board, and described control circuit has corresponding port and is electrically connected to semiconductor chilling plate, fan and temperature controller respectively; Described the first water inlet pipe and the first return pipe are connected to second and cross on water plate.
3. the thermostatically-controlled equipment for digital decorating machine shower nozzle according to claim 2, it is characterized in that: described semiconductor chilling plate end face and bottom surface correspondence flush with end face and the bottom surface of thermal insulation board respectively, the end face of semiconductor chilling plate and heat radiator laminating, the laminating of water plate is crossed in the bottom surface of semiconductor chilling plate and second.
4. the thermostatically-controlled equipment for digital decorating machine shower nozzle according to claim 3, is characterized in that: described semiconductor chilling plate is a plurality of, is distributed on thermal insulation board.
5. the thermostatically-controlled equipment for digital decorating machine shower nozzle according to claim 2, it is characterized in that: described second is provided with the first serpentine waterways in water plate excessively, one end of this first serpentine waterways is communicated with the first water inlet pipe, and the other end of the first serpentine waterways is communicated with the first return pipe.
6. according to the thermostatically-controlled equipment for digital decorating machine shower nozzle described in claim 1 ~ 5 any one, it is characterized in that: described first is provided with the second serpentine waterways in water plate excessively, one end of this second serpentine waterways is communicated with the second water inlet pipe, and the other end of the second serpentine waterways is communicated with the second return pipe.
7. according to the thermostatically-controlled equipment for digital decorating machine shower nozzle described in claim 1 ~ 5 any one, it is characterized in that: described heating and cooling system and water tank are installed on a base jointly, and heating and cooling system and water tank interval setting side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320539956.XU CN203465611U (en) | 2013-08-31 | 2013-08-31 | Constant temperature control device applied to digital printing machine nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320539956.XU CN203465611U (en) | 2013-08-31 | 2013-08-31 | Constant temperature control device applied to digital printing machine nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203465611U true CN203465611U (en) | 2014-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320539956.XU Withdrawn - After Issue CN203465611U (en) | 2013-08-31 | 2013-08-31 | Constant temperature control device applied to digital printing machine nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203465611U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472871A (en) * | 2013-08-31 | 2013-12-25 | 深圳市全印图文技术有限公司 | Constant temperature control device for spray head of digital printing machine |
| CN114953740A (en) * | 2022-06-16 | 2022-08-30 | 广州诺彩数码产品有限公司 | Inkjet printer with heating device for nozzle |
-
2013
- 2013-08-31 CN CN201320539956.XU patent/CN203465611U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472871A (en) * | 2013-08-31 | 2013-12-25 | 深圳市全印图文技术有限公司 | Constant temperature control device for spray head of digital printing machine |
| CN103472871B (en) * | 2013-08-31 | 2016-04-27 | 深圳市全印图文技术有限公司 | For the thermostatically-controlled equipment of digital decorating machine shower nozzle |
| CN114953740A (en) * | 2022-06-16 | 2022-08-30 | 广州诺彩数码产品有限公司 | Inkjet printer with heating device for nozzle |
| CN114953740B (en) * | 2022-06-16 | 2023-08-08 | 广州诺彩数码产品有限公司 | Inkjet printer with heating device for spray nozzle |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20160427 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20160427 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |