Steam type humidifying device heated by PTC (Positive Temperature Coefficient)

Abstract

The utility model discloses a PTC (Positive Temperature Coefficient) heating steam type humidifying device which comprises a fixed plate and a closed container, and a heat conduction fixed seat and a pneumatic component are arranged on the fixed plate; a steam generator is installed in the heat conduction fixing base, distilled water is arranged in the steam generator, the steam generator communicates with the pneumatic assembly through a second air pipe and communicates with the closed container through a first air pipe, and the free end of the second air pipe is connected with a spherical air stone. A PTC heating piece is arranged on the lower surface of the heat conduction fixing base, silver-plated light copper wires are welded to the two sides of the PTC heating piece respectively, and current penetrates through the whole PTC heating piece. The PTC heating piece is used for heating and conducting heat to the heat conduction fixing base, then the heat is conducted to the interior of the steam generator to generate wet air, the interior of the closed container is slowly humidified through heating and conducting of the PTC heating piece and combination of the pneumatic assembly and the spherical air stone, and the device is suitable for measurement or other occasions where humidity needs to be slowly provided and controlled.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature and humidity control, in particular to a PTC-heated steam-type humidifying device. Background Art

[0002] A humidifier is a product used to increase the humidity of a space. It mainly heats the water in the water tank to convert it into water vapor, which overflows to achieve the purpose of humidification. Currently, most commonly used humidifiers humidify by quickly heating up water vapor, such as "hot water sticks", but this method has a low humidity maintenance accuracy and is not suitable for some occasions where humidity needs to be slowly provided and controlled. Utility Model Content

[0003] In view of the above defects or shortcomings, the purpose of the utility model is to provide a PTC heated steam humidifying device.

[0004] In order to achieve the above purpose, the technical solution of the utility model is:

[0005] A PTC-heated steam humidifying device comprises: a fixing plate and a closed container, wherein a heat-conducting fixing seat and a pneumatic component are mounted on the fixing plate; a steam generator is mounted in the heat-conducting fixing seat, wherein distilled water is arranged in the steam generator, the steam generator is connected to the pneumatic component via a second air pipe, the steam generator is connected to the closed container via a first air pipe, a spherical air stone is connected to the free end of the second air pipe, and the spherical air stone is placed in the distilled water; a PTC heating element is arranged on the lower surface of the heat-conducting fixing seat, and silver-plated copper wires are respectively welded on both sides of the PTC heating element, so that current can pass through the entire PTC heating element.

[0006] A temperature detection component for detecting the heating temperature is arranged on one side of the PTC heating element.

[0007] The temperature detection component comprises: a temperature sensor and a temperature transmitter, the temperature sensor and the temperature transmitter are connected via a wire, and the temperature sensor is attached to the bottom of the heat-conducting fixing seat.

[0008] The PTC heating element is a gold aluminum shell resistor.

[0009] A heat-conducting graphite sheet is placed on the side of the steam generator.

[0010] The side of the heat-conducting fixing seat is affixed with adhesive-backed heat-insulating foam.

[0011] The pneumatic assembly includes: a solenoid valve, the steam generator and the solenoid valve are connected through a second air pipe, and a pressure reducing valve and a pressure gauge are installed on the second air pipe.

[0012] The first gas pipe is a natural gas pipe, and the sealed container is provided with a temperature and humidity sensor.

[0013] The steam generator is connected to a steam supply assembly via a third air pipe, and a check valve is arranged on the third air pipe.

[0014] The steam supply assembly includes: a water tank and a water pump, and the water tank and the water pump are connected through a fourth air pipe.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model provides a PTC-heated steam humidifying device. Due to the provision of a steam generator and a PTC heating element, the heat can be conducted to the heat-conducting fixing seat through the PTC heating element, and then conducted to the inside of the steam generator to generate humid air. The pneumatic component provides air pressure, and the spherical air stone slowly presses the humid air into a closed container through the air pipe. The device slowly heats and conducts through the PTC heating element. The combination of the pneumatic component and the spherical air stone ensures slow humidification inside the closed container. It is suitable for measurement or other occasions that require slow provision and control of humidity. The utility model device has a fast heating speed and high safety, and can be applied to a variety of scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the PTC-heated steam humidifying device of the utility model;

[0018] Figure 2 It is a connection diagram related to the pneumatic components of the utility model;

[0019] Figure 3 It is a schematic diagram of the heat-conducting fixing seat of the utility model.

[0020] In the figure, 1. fixing plate, 2. sealed container, 21. temperature and humidity sensor, 3. thermal conductive fixing seat, 31. steam generator, 311. water level sensor, 32. temperature detection component, 33. PTC heating element, 4. pneumatic component, 41. solenoid valve, 42. pressure gauge, 43. pressure reducing valve, 44. first filter, 45. air purifier, 46. second filter, 5. steam supply component, 51. water pump, 52. water tank, 6. first air pipe, 7. second air pipe, 8. third air pipe, 9. fourth air pipe, 10. fifth air pipe, 11. spherical air stone, 12. air compressor. DETAILED DESCRIPTION

[0021] The utility model will be described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0022] like Figure 1-3 As shown, the utility model provides a PTC heated steam humidifying device, comprising: a fixing plate 1 and a closed container 2, a heat-conducting fixing seat 3 and a pneumatic component 4 are installed on the fixing plate 1, the pneumatic component 4 is located above the heat-conducting fixing seat 3, a steam generator 31 is placed tightly in the groove of the heat-conducting fixing seat 3, distilled water is arranged in the steam generator 31, the steam generator 31 and the closed container 2 are connected through a first air pipe 6, the steam generator 31 and the pneumatic component 4 are connected through a second air pipe 7, and the steam generator 31 is connected to the closed container 2 through the first air pipe 6; the free end of the second air pipe 7 is connected with a spherical air stone 11, and the spherical air stone 11 is placed in the distilled water.

[0023] In the utility model, a temperature detection component 32 and at least one PTC heating element 33 are fixed on the lower surface of the heat-conducting fixing seat 3, and silver-plated copper wires are welded on both sides of the PTC heating element 33 so that the current can pass through the entire PTC heating element 33.

[0024] Specifically, a temperature detection component 32 for detecting the heating temperature is provided on one side of the PTC heating element 33, and the temperature detection component 32 includes: a temperature sensor and a temperature transmitter, the temperature sensor and the temperature transmitter are connected by a wire, and the temperature sensor is attached to the bottom of the heat-conducting fixing seat 3. In addition, the PTC heating element 33 is a gold aluminum shell resistor.

[0025] Preferably, a heat-conducting graphite sheet is placed on the side of the steam generator 31, and the heat-conducting fixing seat 3 is made of aluminum. The aluminum material can well conduct the heat generated by the gold aluminum shell resistor, and the heat-conducting graphite sheet can well transfer the heat on the fixing seat to the steam generator 31 to reduce heat loss. It should be noted that the shell of the aluminum material needs to be isolated when the heat-conducting fixing seat 3 is installed to prevent the heat loss conducted from the steam generator 31 to the fixing seat.

[0026] Furthermore, the side of the heat-conducting fixing seat 3 is affixed with adhesive heat-insulating foam, which can also reduce heat loss. The outer periphery of the heat-conducting fixing seat 3 can also be wrapped with an outer frame box, which can ensure that when the gold aluminum shell resistor is heated, people will not accidentally touch it and cause danger; secondly, it also has the effect of heat preservation.

[0027] The pneumatic assembly 4 in the utility model includes: a solenoid valve 41, a pressure reducing valve 43, and a pressure gauge 42. The solenoid valve 41, the pressure reducing valve 43 and the pressure gauge 42 are connected to the air pipe according to the air circuit diagram, as shown in FIG. Figure 2 As shown, by adjusting the connection of the pressure gauge 42, the intake air volume can be reduced or increased, thereby ensuring the steam intake degree of humidity under the same conditions, and by electrically controlling the solenoid valve 41, whether to intake air can be controlled.

[0028] Optionally, the pneumatic assembly 4 may include two groups, set as dry and wet air groups, one of which is directly connected to the sealed container 2 through the fifth air pipe 10 to introduce dry air into it; the other solenoid valve 41 extends into the bottom of the steam generator 31 through the second air pipe 7, and the steam generator 31 is connected to the sealed container 2 through the first air pipe 6 to introduce wet air into it; in this way, the humidity inside the sealed container can be adjusted and controlled. A gland is installed at the opening of the sealed container 2 to fix and seal the air pipe.

[0029] Further preferably, in the utility model, the pneumatic component 4 also includes: a first filter 44, an air cleaner 45, and a second filter 46. The air coming in from the air compressor 12 passes through the first filter 44, the air cleaner 45, and the second filter 46 in sequence and enters the solenoid valve 41, thereby ensuring the purity of the air entering the solenoid valve 41.

[0030] Furthermore, the temperature detection component 32 includes: a temperature sensor and a temperature transmitter, the temperature sensor and the temperature transmitter are connected by a wire, the temperature sensor is attached to the bottom of the heat-conducting fixing base 3, and the temperature transmitter can indirectly reflect the real-time water temperature in the steam generator 31. Specifically, a water level sensor 311 is attached to the surface of the steam generator 31, which is used to detect the water level so that distilled water can be added to the steam generator 31 from the water tank 52 in real time.

[0031] Preferably, the steam generator 31 is connected to the steam supply assembly 5 via the third air pipe 8, and a check valve is provided on the third air pipe 8. The steam supply assembly 5 includes: a water tank 52 and a water pump 51, and the water tank 52 and the water pump 51 are connected via the fourth air pipe 9.

[0032] It should be noted that, in the present invention, the first air pipe 6 is a natural gas pipe, which has a good thermal insulation effect. The closed container 2 is a container in which items to be detected can be placed, such as textiles, and the humidifying device is used to provide a slowly changing humidity environment for the closed container 2, which is used to detect the parameters of the textiles. Preferably, a temperature and humidity sensor 21 is provided on the closed container 2. A through hole is provided in the middle of the upper surface of the closed container 2 to facilitate the installation of the temperature and humidity sensor 21, which is used to detect the temperature and humidity of the closed container 2. Preferably, a control module can be added, and the control module coordinates the various modules to work together to accurately control the humidity of the closed container 2.

[0033] The working process of the utility model is as follows: the heat is conducted through the PTC heating element 33 to the heat-conducting fixing seat 3, and then to the steam generator 31 to generate humid air, the pneumatic component 4 provides air pressure, and the spherical air stone 11 slowly presses the humid air into the closed container 2 through the second air pipe 7, providing a slow humidity change environment for the items to be tested placed inside the closed container 2, which is convenient for testing the parameters of the items. The device slowly heats and conducts through the PTC heating element, and the combination of the pneumatic component and the spherical air stone 11 ensures slow humidification inside the closed container, which is suitable for measurement or other occasions where humidity needs to be slowly provided and controlled.

[0034] It is obvious to those skilled in the art that the above-mentioned specific examples are only preferred schemes of the present invention. Therefore, the improvements and changes that may be made by those skilled in the art to certain parts of the present invention still reflect the principles of the present invention and achieve the purpose of the present invention, and all belong to the scope of protection of the present invention.

Claims

1. A PTC-heated steam humidifying device, characterized in that: include: A fixing plate (1) and a sealed container (2), wherein a heat-conducting fixing seat (3) and a pneumatic component (4) are mounted on the fixing plate (1); a steam generator (31) is mounted in the heat-conducting fixing seat (3), wherein distilled water is arranged in the steam generator (31), wherein the steam generator (31) is connected to the pneumatic component (4) via a second air pipe (7), wherein the steam generator (31) is connected to the sealed container (2) via a first air pipe (6), wherein the free end of the second air pipe (7) is connected to a spherical air stone (11), wherein the spherical air stone (11) is placed in the distilled water, wherein a PTC heating element (33) is arranged on the lower surface of the heat-conducting fixing seat (3), wherein silver-plated copper wires are respectively welded on both sides of the PTC heating element (33) so that current can pass through the entire PTC heating element (33).

2. The PTC-heated steam humidifying device according to claim 1, characterized in that: A temperature detection component (32) for detecting the heating temperature is provided on one side of the PTC heating element (33).

3. The PTC-heated steam humidifying device according to claim 2, characterized in that: The temperature detection component (32) comprises: a temperature sensor and a temperature transmitter, the temperature sensor and the temperature transmitter are connected via a wire, and the temperature sensor is attached to the bottom of the heat-conducting fixing seat (3).

4. The PTC-heated steam humidifying device according to claim 1 or 2, characterized in that: The PTC heating element (33) is a gold aluminum shell resistor.

5. The PTC-heated steam humidifying device according to claim 1 or 2, characterized in that: A heat-conducting graphite sheet is placed on the side of the steam generator (31).

6. The PTC-heated steam humidifying device according to claim 5, characterized in that: The side of the heat-conducting fixing seat (3) is affixed with adhesive-backed heat-insulating foam.

7. The PTC-heated steam humidifying device according to claim 1, characterized in that: The pneumatic assembly (4) comprises: a solenoid valve (41); the steam generator (31) and the solenoid valve (41) are connected via a second air pipe (7); a pressure reducing valve (43) and a pressure gauge (42) are installed on the second air pipe (7).

8. The PTC-heated steam humidifying device according to claim 1, characterized in that: The first gas pipe (6) is a natural gas pipe, and the sealed container (2) is provided with a temperature and humidity sensor (21).

9. The PTC-heated steam humidifying device according to claim 1, characterized in that: The steam generator (31) is connected to a steam supply assembly (5) via a third air pipe (8), and a check valve is provided on the third air pipe (8).

10. The PTC-heated steam humidifying device according to claim 9, characterized in that: The steam supply assembly (5) comprises: a water tank (52) and a water pump (51); the water tank (52) and the water pump (51) are connected via a fourth air pipe (9).

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