Heating control device applied to CIJ ink-jet printer and CIJ ink-jet printer

Abstract

The utility model provides a heating control device applied to a CIJ ink-jet printer and the CIJ ink-jet printer, a shell is provided with an air inlet channel and a heat dissipation channel, a heating cavity is provided with an air inlet and an air outlet, the air inlet is aligned with the air inlet channel, the air outlet is aligned with the heat dissipation channel, and the heat dissipation channel is arranged in the heating cavity. The extending space, from the air inlet to the air outlet, in the heating cavity is configured to form a first air flow channel, the heating unit is arranged in the heating cavity, air flowing along the first air flow channel makes contact with the outer surface of the heating unit, and the heat dissipation channel communicates with an ink path system of the CIJ ink-jet printer body. The cold source gas is heated by the heating unit through the first airflow channel to form heat source gas, the heat source gas is transmitted to the ink path system of the CIJ ink-jet printer body, the heating control device can be used for adjusting the temperature of ink in the ink path system of the CIJ ink-jet printer body, the scene applicability of the CIJ ink-jet printer is improved, and the influence of environment temperature changes on the performance of the CIJ ink-jet printer is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of ink-jet printer, especially to a heating control device applied to CIJ ink-jet printer and CIJ ink-jet printer. BACKGROUND

[0002] Small character ink-jet printer, also known as continuous inkjet printer (CIJ), is a kind of marking equipment widely used in industrial production, which is mainly used for high-speed, non-contact printing and marking operation on product surface. The working principle of CIJ ink-jet printer depends on the continuous flow of ink through the small nozzle of the nozzle at high speed, and the specific ink droplet is charged by the charging electrode, then the charged ink droplet is deflected to the product surface to be sprayed to form characters or patterns under the action of deflection plate, and the unused ink droplet is recycled. Therefore, the flow of ink has an important influence on the printing performance of CIJ ink-jet printer, and the temperature of ink can significantly affect the physical properties of ink, especially the viscosity and surface tension, which are directly related to the flow performance and jet performance of ink in CIJ ink-jet printer.

[0003] The CIJ ink-jet printer under prior art can be normally used when the ink is in the specified temperature range (for example, 5~45℃), and does not need frequent maintenance, such as adjusting ink breaking point, debugging ink line, cleaning nozzle and recycling pipe to achieve normal printing effect. But in low temperature area or low temperature season, when the environment of ink is lower than 5℃, CIJ ink-jet printer cannot maintain normal operation, which shows that the printed content is easy to be missing, code, nozzle and recycling pipe are blocked, etc. which greatly affects the operation efficiency and application scene of CIJ ink-jet printer. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of heating control device applied to CIJ ink-jet printer and CIJ ink-jet printer to solve the technical problem that conventional CIJ ink-jet printer cannot realize efficient, accurate printing operation in low temperature environment under prior art.

[0005] To solve the above problems, the technical scheme of the utility model is as follows: a heating control device applied to CIJ ink-jet printer, comprising:

[0006] The shell is provided with an air inlet channel at its first side wall, and the shell is provided with a heat dissipation channel at its second side wall;

[0007] A heating cavity is arranged inside the shell, and a containing chamber is arranged inside the heating cavity; a first side wall of the heating cavity is provided with an air inlet, which is arranged in alignment with the air inlet channel; a second side wall of the heating cavity is provided with an air outlet, which is arranged in alignment with the heat dissipation channel; and the extension space of the containing chamber of the heating cavity from the air inlet to the air outlet is configured as a first airflow passage.

[0008] A heating unit is arranged in the containing chamber of the heating cavity, and the gas flowing along the first airflow passage is in contact with the outer surface of the heating unit;

[0009] The heating control device is configured to communicate the heat dissipation channel with the ink path system of the CIJ inkjet printer body, and the cold source gas is heated by the heating unit to form a heat source gas, which is then transmitted to the ink path system of the CIJ inkjet printer body; and the heating control device is used to adjust the temperature of the ink in the ink path system of the CIJ inkjet printer body.

[0010] Preferably, a fan is arranged in the air inlet channel inside the shell, which is used to actively suck the gas from the external space and output it towards the air inlet.

[0011] Preferably, a screen structure is arranged in the air inlet channel and / or the air inlet, which is used to filter the impurities in the external space gas.

[0012] Preferably, when the heating control device is fixedly arranged with the CIJ inkjet printer body, the second side wall of the shell is arranged towards the CIJ inkjet printer body, and there is a gap between the second side wall of the shell and the CIJ inkjet printer body.

[0013] The ink path system of the CIJ inkjet printer body is provided with a ventilation outlet.

[0014] A temperature sensor is arranged on the outer surface of the second side wall of the shell, and the sensing end of the temperature sensor is arranged in alignment with the ventilation outlet of the ink path system of the CIJ inkjet printer body; the temperature sensor is used to measure the temperature of the gas output from the ventilation outlet of the ink path system of the CIJ inkjet printer body or the ambient temperature, and is configured to start the heating unit and the fan when the temperature sensor detects that the gas temperature or the ambient temperature is lower than a low temperature threshold, and to stop the heating unit and the fan when the temperature sensor detects that the gas temperature is higher than a high temperature threshold.

[0015] Preferably, an indicator light is arranged on the surface of the shell, which is electrically connected with the heating unit; the indicator light is configured to be lit when the heating unit starts heating, and to be turned off when the heating unit stops heating.

[0016] Preferably, the air inlet is in sealed communication with the air inlet channel, and the air outlet is in sealed communication with the heat dissipation channel.

[0017] The ink path system of the CIJ ink-jet printer body is externally provided with a ventilation inlet, and the heat dissipation channel is in sealed communication with the ventilation inlet of the ink path system of the CIJ ink-jet printer body.

[0018] Preferably, the heating unit adopts a finned heater, the finned heater is arranged vertically to the gas flow direction in the first gas flow path in the planar extension direction, and a gap for gas flow is arranged between adjacent fins of the finned heater.

[0019] Preferably, the heating cavity is in trapezoidal prism structure, the third side wall opposite to the first side wall of the heating cavity is in inclined surface structure, and the third side wall of the heating cavity is inclined towards the second side wall, and the third side wall of the heating cavity is used for defining the flow direction of the gas in the first gas flow path.

[0020] Preferably, the heating cavity is made of heat insulation and explosion-proof material.

[0021] Based on the same concept, the utility model also provides a CIJ ink-jet printer, including the heating control device that any one of above is described, still include:

[0022] The CIJ ink-jet printer body is internally provided with an ink path system, the ink path system is provided with an ink container and an ink pipeline, the ink path system is externally provided with a ventilation inlet and a ventilation outlet, the extension space of the ink path system from the ventilation inlet to the ventilation outlet is configured to form a second gas flow path, and the gas flowing along the second gas flow path contacts the outer surface of the ink container and the ink pipeline.

[0023] The heat dissipation channel of the heating control device is in communication with the ventilation inlet of the ink path system.

[0024] The utility model discloses since adopting above technical scheme, compared with prior art, has following advantages and positive effect:

[0025] The utility model provides a kind of heating control device and CIJ ink-jet printer applied to CIJ ink-jet printer, and heating control device includes shell, heating cavity and heating unit, shell is equipped with air inlet channel and heat dissipation channel, heating cavity is equipped with air inlet and air outlet, the extension space of heating cavity is configured to form airflow passage from air inlet to air outlet, heating unit is located in heating cavity, heating control device is installed with CIJ ink-jet printer by heat dissipation channel, when ambient temperature is lower than low temperature threshold, heating unit starts heating, cold source gas is heated by heating unit after passing airflow passage and forms heat source gas, and is transported to the ink path system of CIJ ink-jet printer for heating ink, when ink temperature is higher than high temperature threshold, heating unit stops heating, until ambient temperature is lower than low temperature threshold again, repeat above-mentioned step, so that the ink used by CIJ ink-jet printer can be maintained in a stable temperature range, so that ink can flow stably, ensure that CIJ ink-jet printer is stably and reliably used in industrial production site, and printing content does not appear missing, code, nozzle and recovery pipe blockage etc. due to environmental temperature change, effectively improve the operation efficiency and stability of CIJ ink-jet printer. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 The utility model provides a kind of explosion structure schematic diagram of heating control device applied to CIJ ink-jet printer;

[0027] Fig. 2 The utility model provides a kind of external structure schematic diagram of heating control device applied to CIJ ink-jet printer;

[0028] Fig. 3 The utility model provides a kind of structure schematic diagram of CIJ ink-jet printer.

[0029] Reference signs explanation: 1: heating control device;11: shell;12: air inlet channel;13: heat dissipation channel;14: heating cavity;15: air inlet;16: air outlet;17: heating unit;18: temperature sensor;19: indicator light;2: CIJ ink-jet printer body;21: ventilation inlet;22: ventilation outlet. DETAILED DESCRIPTION

[0030] The utility model provides a kind of heating control device and CIJ ink-jet printer applied to CIJ ink-jet printer are further detailed below in conjunction with drawings and specific embodiment.It will be more clear that the advantages and features of the utility model according to the following description and claims.

[0031] First embodiment

[0032] Reference Figs. 1-3The embodiment provides a heating control device 1 applied to a CIJ ink-jet printer, which is used for maintaining the temperature of ink used in a CIJ ink-jet printer body 2 in a stable temperature range, and the main structure of the heating control device 1 comprises a shell 11, a heating cavity 14 and a heating unit 17.

[0033] The shell 11 is provided with an air inlet channel 12 at a first side wall thereof, and is provided with a heat dissipation channel 13 at a second side wall thereof, and in an embodiment, the heating control device 1 is arranged below the CIJ ink-jet printer body 2, the first side wall of the shell 11 refers to a vertical side plate of the shell 11 in a lateral direction, and the second side wall of the shell 11 refers to a horizontal side plate of the shell 11 at a top portion.

[0034] The heating cavity 14 is arranged in the shell 11, and the heating cavity 14 is internally provided with a containing cavity. The heating cavity 14 is provided with an air inlet 15 at a first side wall thereof, the air inlet 15 is arranged in alignment with the air inlet channel 12, the heating cavity 14 is provided with an air outlet 16 at a second side wall thereof, the air outlet 16 is arranged in alignment with the heat dissipation channel 13, and the extension space of the containing cavity of the heating cavity 14 from the air inlet 15 to the air outlet 16 is configured as a first airflow passage. Similarly, in an embodiment, the first side wall of the heating cavity 14 refers to a vertical side plate of the heating cavity 14 in a lateral direction, and the second side wall of the heating cavity 14 refers to a horizontal side plate of the heating cavity 14 at a top portion, in the heating cavity 14, the gas is input from the air inlet 15, the gas can flow in one direction along the first airflow passage, and is output from the air outlet 16. Meanwhile, since the air inlet 15 is arranged in alignment with the air inlet channel 12, and the air outlet 16 is arranged in alignment with the heat dissipation channel 13, the gas in the first airflow passage can be initially input from the external space through the air inlet channel 12, and finally output from the heat dissipation channel 13.

[0035] The heating unit 17 is arranged in the containing cavity of the heating cavity 14, and the gas flowing along the first airflow passage contacts the outer surface of the heating unit 17 in the flowing process, when the heating unit 17 is started, the outer surface of the heating unit 17 is warmed, the gas flowing in the first airflow passage is heated by the heating unit 17 to achieve the purpose of gas heating.

[0036] In the embodiment, when the heating control device 1 is assembled with the CIJ ink-jet printer body 2, the heat dissipation channel 13 of the shell 11 communicates with the ink path system of the CIJ ink-jet printer body 2, wherein the ink path system refers to the general term including the ink container for storing ink, the ink pipeline for transmitting ink, and the space where the ink container and the ink pipeline are located, etc. The cold source gas in the external space is heated by the heating unit 17 to form the heat source gas, which enters the ink path system of the CIJ ink-jet printer body 2 through the heat dissipation channel 13, thereby adjusting the temperature of the ink in the ink path system of the CIJ ink-jet printer body 2. When the CIJ ink-jet printer body 2 is in a low-temperature environment, the ink used by the CIJ ink-jet printer body 2 is maintained in a stable temperature range through active heating, ensuring that the CIJ ink-jet printer body 2 is stably and reliably used in an industrial production site, and preventing situations such as missing printing content, code, nozzle and recovery pipe blockage due to changes in environmental temperature, thereby effectively improving the working efficiency and stability of the CIJ ink-jet printer body 2.

[0037] In the following, the specific structure and implementation function of the heating control device for the CIJ ink-jet printer provided in the embodiment will be further described in detail:

[0038] Preferably, in an embodiment, the air inlet channel 12 is provided with a fan inside the shell 11, and the fan includes an axial fan, a centrifugal fan, a mixed-flow fan or a cross-flow fan, etc. The fan is used to actively suck gas from the external space and output towards the air inlet 15, so that the actively flowing gas is generated in the first air flow path, and the heat source gas can be actively delivered to the ink path system of the CIJ ink-jet printer body 2, thereby improving the heating efficiency of the ink used by the CIJ ink-jet printer body 2.

[0039] In another embodiment, the fan can also be arranged at any position in the first air flow path, as long as the fan can input gas from the air inlet channel 12 and the air inlet 15 and output from the heat dissipation channel 13 and the air outlet 16. This embodiment will not be described in detail.

[0040] Preferably, in an embodiment, a screen structure is arranged in the air inlet channel 12 and / or the air inlet 15, and the screen structure is used to filter impurities in the external space gas, so as to prevent the impurities in the external space gas from entering the first air flow path, and even entering the ink path system of the CIJ ink-jet printer body 2, thereby damaging the heating unit 17 and the CIJ ink-jet printer body 2.

[0041] Preferably, in an embodiment, the heating control device 1 is arranged below the CIJ ink-jet printer body 2. When the heating control device 1 is fixed to the CIJ ink-jet printer body 2, the second side wall of the shell 11 is arranged towards the bottom of the CIJ ink-jet printer body 2, and there is a gap between the second side wall of the shell 11 and the bottom of the CIJ ink-jet printer body 2. The ink path system of the CIJ ink-jet printer body 2 is provided with a ventilation outlet 22, and the ventilation outlet 22 is further connected to the outside space through the gap between the second side wall of the shell 11 and the bottom of the CIJ ink-jet printer body 2. After the heat source gas supplied by the heating control device 1 to the ink path system of the CIJ ink-jet printer body 2 completes the heating step of the ink, the heat source gas is discharged to the outside space through the ventilation outlet 22 and the gap between the second side wall of the shell 11 and the bottom of the CIJ ink-jet printer body 2.

[0042] The shell 11 is provided with a temperature sensor 18 on the outer surface of the second side wall. The sensing end of the temperature sensor 18 is arranged in alignment with the ventilation outlet 22 of the ink path system of the CIJ ink-jet printer body 2. The temperature sensor 18 is used to measure the temperature of the gas output from the ventilation outlet 22 of the ink path system of the CIJ ink-jet printer body 2 or the ambient temperature. When the temperature sensor 18 detects that the temperature of the gas or the ambient temperature is lower than the low temperature threshold, it proves that the temperature of the ink in the CIJ ink-jet printer body 2 is too low, and the heating unit 17 and the fan are controlled to start working to heat the ink. Conversely, when the temperature sensor 18 detects that the temperature of the gas is higher than the high temperature threshold, it proves that the temperature of the ink in the CIJ ink-jet printer body 2 has been heated to the upper limit of the temperature, and the heating unit 17 and the fan are controlled to stop working to stop heating the ink. Through the cooperation of the temperature sensor 18, the heating unit 17 and the fan, the above steps are automatically repeated to maintain the ink used in the CIJ ink-jet printer body 2 within a stable temperature range.

[0043] Preferably, in an embodiment, the surface of the shell 11 is provided with an indicator light 19, and the indicator light 19 is electrically connected to the heating unit 17. When the heating unit 17 starts heating, the indicator light 19 is on, and when the heating unit 17 stops heating, the indicator light 19 is off, which is used to realize the visual display of the working of the heating control device 1.

[0044] Preferably, in an embodiment, the air inlet 15 is in sealed communication with the air inlet channel 12, and the air outlet 16 is in sealed communication with the heat dissipation channel 13.

[0045] At the same time, the ink path system of the CIJ ink-jet printer body 2 is provided with a ventilation inlet 21, and the heat dissipation channel 13 is in sealed communication with the ventilation inlet 21 of the ink path system of the CIJ ink-jet printer body 2.

[0046] In this embodiment, the sealed connection method includes setting up rubber sealing strips, O-rings, sealing gaskets, etc. between the air inlet 15 and the air inlet channel 12, and between the air outlet 16 and the heat dissipation channel 13. By setting up the sealed connection, the situation of gas escaping outward between the air inlet 15 and the air inlet channel 12, and / or between the air outlet 16 and the heat dissipation channel 13, and / or between the heat dissipation channel 13 and the ventilation inlet 21 of the ink path system of the CIJ inkjet printer body 2 can be reduced, thereby improving the efficiency of cold source gas heating and ink heating.

[0047] Preferably, in one embodiment, the heating unit 17 employs a finned heater. The planar extension direction of the finned heater is arranged perpendicular to the gas flow direction in the first airflow passage. Gaps for gas flow are provided between adjacent fins of the finned heater, and the planar area of ​​the finned heater is adapted to the cross-sectional area of ​​the first airflow passage. In this embodiment, when the cold source gas flows along the first airflow passage, the cold source gas passes through the gaps between adjacent fins in the finned heater, achieving sufficient contact with the outer surface of the finned heater, thereby improving the heating efficiency of the cold source gas.

[0048] Preferably, in one embodiment, the heating cavity 14 has a trapezoidal prism structure, and the third sidewall of the heating cavity 14 opposite to its first sidewall is an inclined structure, and the third sidewall of the heating cavity 14 is inclined toward its second sidewall. The third sidewall of the heating cavity 14 is used to define the flow direction of the gas in the airflow passage. Specifically, in the heating cavity 14, when the cold source gas is input from the air inlet 15, it first flows horizontally, exchanges heat with the heating unit 17 to form a heat source gas, and then the heat source gas is blocked by the inclined surface of the third sidewall, changing its flow direction from horizontal to vertical, that is, flowing toward the second sidewall of the heating cavity 14, and finally being output from the air outlet 16. By further defining the shape of the heating cavity 14, the resistance encountered by the gas in the first airflow passage due to the change in flow direction can be significantly reduced, the loss of gas kinetic energy and thermal energy can be reduced, the transmission efficiency can be improved, and at the same time, the volume occupied by the heating cavity 14 inside the housing 11 can be reduced.

[0049] Preferably, in one embodiment, the heating cavity 14 is made of heat-insulating and explosion-proof material. Since the electrical components such as the circuit structure and power supply structure of the heating control device 1 are all arranged in the housing 11, by setting the heat-insulating and explosion-proof heating cavity 14, the first airflow passage can be isolated from direct contact with the electrical components, preventing the high temperature generated by the heating unit 17 during the heating process from damaging the electrical components, thereby improving the safety of the heating control device 1.

[0050] Second Embodiment

[0051] Based on the same concept, see Fig. 3The utility model also provides a CIJ ink-jet printer, including the heating control device 1 as any one of first embodiment, still include:

[0052] The CIJ ink-jet printer body 2 is internally provided with an ink path system, the ink path system is provided with an ink container and an ink pipeline, the ink path system is externally provided with a ventilation inlet 21 and a ventilation outlet 22, and the extension space from the ventilation inlet 21 to the ventilation outlet 22 in the ink path system is configured to form a second airflow passage, and the gas flowing along the second airflow passage contacts the outer surfaces of the ink container and the ink pipeline.

[0053] The heat dissipation channel 13 of the heating control device 1 is communicated with the ventilation inlet 21 of the ink path system.

[0054] That is, in the embodiment, the heating control device 1 can generate heat source gas, when the heating control device 1 is assembled and fixed with the CIJ ink-jet printer body 2, the heat source gas can enter the ink path system from the ventilation inlet 21 of the CIJ ink-jet printer body 2, and flow along the second airflow passage, in the second airflow passage, the heat source gas exchanges heat with the ink in the ink container and the ink pipeline, heats the ink, and finally the gas is discharged from the ventilation outlet 22 of the CIJ ink-jet printer body 2, so that the ink in the CIJ ink-jet printer can realize the heating function.

[0055] In conclusion, the utility model provides a heating control device applied to CIJ ink-jet printer and CIJ ink-jet printer, the heating control device 1 is equipped with casing 11, heating cavity 14 and heating unit 17, casing 11 is equipped with air inlet channel 12 and heat dissipation channel 13, heating cavity 14 is equipped with air inlet 15 and air outlet 16, and the extension space from air inlet 15 to air outlet 16 in heating cavity 14 is configured to form an airflow passage, heating unit 17 is arranged in heating cavity 14, the heating control device 1 is installed with the CIJ ink-jet printer through heat dissipation channel 13, when the ambient temperature is lower than the low temperature threshold value, heating unit 17 starts heating, and the cold source gas is heated by heating unit 17 to form heat source gas after passing through the airflow passage, and is transported to the ink path system of the CIJ ink-jet printer for heating the ink, when the ink temperature is higher than the high temperature threshold value, heating unit 17 stops heating, until the ambient temperature is lower than the low temperature threshold value again, the above steps are repeated, so that the ink used in the CIJ ink-jet printer can be maintained in a stable temperature range, the ink can flow stably, and the CIJ ink-jet printer can be used stably and reliably in the industrial production field, so that the printing content does not appear missing, the code is not bloomed, the nozzle and the recovery pipe are not blocked, and the like due to the change of ambient temperature, and the working efficiency and stability of the CIJ ink-jet printer are effectively improved.

[0056] The embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the above embodiments. Even if various changes are made to the present application, provided that the changes fall within the scope of the present application claims and equivalent technologies thereof, they still fall within the scope of the present application.

Claims

1. A heating control device applied to a CIJ inkjet printer, characterized in that, The application relates to a heating control device for a continuous inkjet (CIJ) printer. The heating control device comprises a housing, a heating cavity, a heating unit and a heating control device. The housing is provided with an air inlet channel on a first side wall and a heat dissipation channel on a second side wall. The heating cavity is arranged in the housing and is internally provided with a containing chamber. The heating cavity is provided with an air inlet on a first side wall and an air outlet on a second side wall.

2. The heating control device for a CIJ inkjet printer according to claim 1, wherein The air inlet is aligned with the air inlet channel, and the air outlet is aligned with the heat dissipation channel.

3. The heating control device for a CIJ inkjet printer according to claim 2, wherein The containing chamber of the heating cavity is configured as a first airflow passage from the air inlet to the air outlet.

4. The heating control device for a CIJ inkjet printer according to claim 2, wherein The heating unit is arranged in the containing chamber of the heating cavity and is in contact with the gas flowing along the first airflow passage. The heating control device is configured to communicate the heat dissipation channel with an ink path system of the CIJ printer body. The cold source gas is heated by the heating unit to form a heat source gas and is transmitted to the ink path system of the CIJ printer body.

5. The heating control device for a CIJ inkjet printer according to claim 4, wherein The heating control device is used for adjusting the temperature of the ink in the ink path system of the CIJ printer body.

6. The heating control device for a CIJ inkjet printer of claim 1, wherein, The air inlet channel is provided with a fan on the inner side of the housing. The fan is used to actively suck the gas from the external space and output it towards the air inlet.

7. The heating control device for a CIJ inkjet printer of claim 1, wherein, The air inlet channel and / or the air inlet are provided with a screen structure for filtering impurities in the external space gas. When the heating control device is fixed with the CIJ printer body, the second side wall of the housing is arranged towards the CIJ printer body, and there is a gap between the second side wall of the housing and the CIJ printer body. The ink path system of the CIJ printer body is externally provided with a ventilation outlet. The housing is provided with a temperature sensor on the outer surface of the second side wall. The sensing end of the temperature sensor is aligned with the ventilation outlet of the ink path system of the CIJ printer body. The temperature sensor is used for measuring the temperature of the gas output by the ventilation outlet of the ink path system of the CIJ printer body. When the temperature sensor detects that the gas temperature or the ambient temperature is lower than a low temperature threshold, the heating unit and the fan are started. When the temperature sensor detects that the gas temperature is higher than a high temperature threshold, the heating unit and the fan are stopped. The housing is provided with an indicator lamp which is electrically connected with the heating unit. When the heating unit starts heating, the indicator lamp is lighted. When the heating unit stops heating, the indicator lamp is extinguished. The air inlet is in sealed communication with the air inlet channel, and the air outlet is in sealed communication with the heat dissipation channel. The ink path system of the CIJ printer body is externally provided with a ventilation inlet. The heat dissipation channel is in sealed communication with the ventilation inlet of the ink path system of the CIJ printer body. The heating unit adopts a finned heater. The planar extension direction of the finned heater is perpendicular to the gas flow direction in the first airflow passage. The adjacent fins of the finned heater are provided with gaps for the gas flow.

8. The heating control device for a CIJ inkjet printer according to claim 1, wherein The heating cavity is a trapezoidal prism structure, a third side wall opposite to the first side wall of the heating cavity is a slope structure, and the third side wall of the heating cavity is inclined toward the second side wall, and the third side wall of the heating cavity is used to define the flow direction of the gas in the first gas flow path.

9. The heating control device for a CIJ inkjet printer of claim 1, wherein, The heating cavity is made of heat insulation and explosion-proof material.

10. A CIJ inkjet printer characterized by, The heating control device comprises the heating control device according to any one of claims 1-9, and further comprises: The CIJ ink-jet printer body is internally provided with an ink path system, the ink path system is provided with an ink container and an ink pipeline, the ink path system is externally provided with a ventilation inlet and a ventilation outlet, an extension space from the ventilation inlet to the ventilation outlet in the ink path system is configured to form a second gas flow path, and the gas flowing along the second gas flow path contacts the outer surfaces of the ink container and the ink pipeline; The heat dissipation channel of the heating control device is in communication with the ventilation inlet of the ink path system.

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