Constant temperature control VHP delivery window

By introducing a heating cycle and control device into the VHP transfer window, precise temperature monitoring and regulation are achieved, solving the problem of sterilization instability caused by temperature fluctuations in the prior art, and ensuring the stability of the sterilization process and the successful sterilization of active items.

CN223668356UActive Publication Date: 2025-12-16SHANGHAI YANFU PHARMA SYST ENG
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Patent Information

Application Number
CN202423059584.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-12-16
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Existing VHP transfer windows cannot meet the sterilization requirements for live items, especially the control requirements for temperature fluctuations under low-temperature conditions, resulting in unstable sterilization effects and affecting the activity of precision items or biological samples.

Method used

The VHP transfer window, which employs constant temperature control, uses a heating circulation device and a control device, including a heating component, a gas circulation structure, a temperature probe, and a central controller, to achieve precise monitoring and adjustment of the temperature of the transfer window body, ensuring the uniformity and consistency of temperature during the sterilization process.

Benefits of technology

Stable temperature control within the transfer window was achieved, preventing temperature fluctuations from affecting the sterilization effect and ensuring the activity and success rate of the sterilized products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a constant-temperature control VHP delivery window. The constant-temperature control VHP delivery window comprises a delivery window body, a heating circulation device and a control device. The heating circulation device is arranged on the delivery window body and comprises a heating assembly and a gas circulation structure, the heating assembly is used for heating a medium to generate gas, and the gas enters the gas circulation structure to circularly flow so as to heat the delivery window body; the control device is arranged on the heating circulation device and can monitor the heating temperature of the gas circulation structure on the delivery window body and control heating of the heating assembly so that the delivery window body can be in a specific temperature state. The device is good in overall stability, when different types of transferred objects are sterilized, the heating circulation device and the control device can adjust the temperature, the multiple sets of temperature probes can ensure the accuracy of detection data, the central controller conducts dynamic balance processing, and therefore the stability of the device is improved. And product sterilization failure caused by the influence of temperature fluctuation on the activity of a sterilized article is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to VHP delivery window field especially relates to a constant temperature control's VHP delivery window. BACKGROUND

[0002] VHP delivery window is applied to the surface sterilization of the article that does not bear high temperature, so the sterilization temperature is usually between 27~40 DEG C. But some sterilization articles are active, and the temperature resistance is below 28 DEG C, more than 25 DEG C. At this time, the temperature in the VHP delivery window needs extremely high requirement control.

[0003] The conventional ordinary VHP delivery window cannot satisfy this condition requirement. Therefore, the sterilization of this kind of article usually adopts the form of secondary unpacking, and the pre-stage causes a large amount of material cost and labor cost, and because the delivered article is often a more precise article or biological sample etc., the temperature fluctuation can have adverse effects on the precise article or biological sample, so the temperature fluctuation in the delivery window is required to be small, and the temperature is stable. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problems that: in view of the above-mentioned defects in the prior art, provide a constant temperature control's VHP delivery window.

[0005] The utility model discloses a following technical scheme for solving the above-mentioned technical problems:

[0006] In order to overcome the above-mentioned defects of prior art, the embodiment of the utility model provides a constant temperature control's VHP delivery window to solve the problems in the background art.

[0007] The utility model discloses a following technical scheme for solving the above-mentioned technical problems:

[0008] A constant temperature control's VHP delivery window, including delivery window body, heating circulation device and control device, wherein, the heating circulation device sets up in the delivery window body, including heating assembly and gas circulation structure, the heating assembly is used to heat medium and produces gas, the gas enters the gas circulation structure and circulates flow to heat the delivery window body, the control device sets up in the heating circulation device can monitor the heating temperature of the gas circulation structure to the delivery window body and controls the heating of the heating assembly to make the delivery window body be in specific temperature state.

[0009] Preferably, the gas circulation structure is provided with two groups of structures arranged on the two sides of the inner cavity of the transfer window body, including a constant temperature coil and a circulating pump, the top end of the constant temperature coil is communicated with the heating assembly, the bottom end structure is connected with the bottom structure of the heating assembly through the circulating pump, and the control device is arranged at least partially between the circulating pump and the heating assembly.

[0010] Preferably, the control device comprises a temperature probe and a plate heat exchanger, the temperature probe is provided in multiple groups, and at least part of the structure is arranged at the gas inlet end and the gas outlet end of the constant temperature coil; the plate heat exchanger is arranged between the circulating pump and the heating assembly.

[0011] Preferably, the control device is further provided with a central controller, the temperature probe can transmit the detected temperature information to the central controller, and the central controller can control the heating assembly and the plate heat exchanger to make the temperature of the inner cavity of the transfer window body reach a predetermined value.

[0012] Preferably, the heating assembly comprises an electric heating structure and a silicone oil barrel, the silicone oil barrel can inject silicone oil into the electric heating structure, and the electric heating structure can heat the silicone oil to make hot gas generated into the constant temperature coil.

[0013] Preferably, the electric heating structure comprises a gas cavity structure and a heating groove in the gas cavity structure, the heating groove is connected with the silicone oil barrel, and a heating rod is arranged in the heating groove for heating silicone oil.

[0014] Preferably, a support frame is arranged on the inner wall of the gas cavity structure for fixing the heating groove, the top of the gas cavity structure is communicated with the constant temperature coil, and the bottom is connected with the circulating pump.

[0015] Preferably, a cold side medium inlet pipe and a cold side medium outlet pipe are arranged between the two groups of plate heat exchangers, and the cold side medium inlet pipe and the cold side medium outlet pipe can control the inlet and outlet of the cold medium of the two groups of plate heat exchangers.

[0016] Preferably, the control device is further provided with a pneumatic ball valve, the pneumatic ball valve is provided in multiple groups, part of the structure is arranged in the cold side medium inlet pipe, and the rest of the structure is arranged in the cold side medium outlet pipe.

[0017] Preferably, the structure of the transfer window body on the two sides of the inner cavity is provided with a clamping groove capable of clamping the constant temperature coil.

[0018] The utility model adopts the above technical scheme, compared with prior art, has the following technical effects:

[0019] The overall device has good stability, when dealing with sterilization of different types of transmission objects, the heating circulating device and the control device can adjust the temperature, a plurality of temperature probes can ensure the accuracy of detection data, and the central controller is used for dynamic balance processing, so that the uniformity and consistency of the temperature in the operation process of the overall device are ensured, and the activity of the sterilized objects affected by temperature fluctuation is prevented, so that the sterilization product fails. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a cross-sectional view of the VHP transmission window of the utility model of constant temperature control;

[0021] Figure 2 It is a heating structure schematic view of the VHP transmission window of the utility model of constant temperature control;

[0022] Figure 3 It is a heating circulating device schematic view of the VHP transmission window of the utility model of constant temperature control;

[0023] Figure 4 It is a two-group plate heat exchanger schematic view of the VHP transmission window of the utility model of constant temperature control;

[0024] Figure 5 It is a constant temperature coil and groove schematic view of the VHP transmission window of the utility model of constant temperature control;

[0025] Figure 6 It is a transmission window body schematic view of the VHP transmission window of the utility model of constant temperature control;

[0026] Wherein, various reference signs are: 1, transmission window body; 101, groove; 2, heating circulating device; 201, heating assembly; 202, gas circulating structure; 203, constant temperature coil; 204, circulating pump; 205, electric heating structure; 206, silicon oil barrel; 207, air cavity structure; 208, heating groove; 209, heating rod; 210, support frame; 3, control device; 301, temperature probe; 302, plate heat exchanger; 303, central controller; 304, cold side medium inlet pipe; 305, cold side medium outlet pipe; 306, pneumatic ball valve. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0029] Example 1

[0030] As attached Figures 1 to 6 The VHP transfer window shown includes a transfer window body 1;

[0031] A heating circulation device 2 is disposed on the transfer window body 1 and includes a heating component 201 and a gas circulation structure 202. The heating component 201 is used to heat the medium to generate gas, and the gas enters the gas circulation structure 202 for circulation to heat the transfer window body 1.

[0032] The control device 3 is installed in the heating circulation device 2 and can monitor the heating temperature of the gas circulation structure 202 on the transfer window body 1 and control the heating of the heating component 201 so that the transfer window body 1 is in a specific temperature state.

[0033] Wherein: the transfer window body 1 has a cavity inside, and the cavity is used to house the heating circulation device 2;

[0034] The heating circulation device 2 can be set in two sets, located on both sides of the inner cavity of the transfer window body 1. The heating component 201 includes an electric heating tank and a silicone oil filling box. The silicone oil filling box can fill the electric heating tank with silicone oil. The silicone oil filling box is equipped with a pump that can pump the silicone oil into the electric heating tank. The electric heating tank can control the heating temperature of the silicone oil to improve the heating efficiency of the silicone oil. A temporary gas chamber is set outside the electric heating tank. A fixing rod is set inside the temporary gas chamber to fix the electric heating tank. The electric heating tank is located at the center of the temporary gas chamber. The temporary gas chamber is used for the temporary residence of the gas generated by the heating of the silicone oil. Sealed connection ports are set at the top and bottom of the temporary gas chamber. The silicone oil filling box is located outside the temporary gas chamber and is connected to the electric heating tank through a pipe.

[0035] The gas circulation structure 202 includes a circulation pump and a gas heating tube. The gas heating tube is spirally arranged in the cavities on both sides of the inner cavity of the transfer window body 1. A fixing frame is provided in the cavity to fix the gas heating tube. The top of the gas heating tube is provided with a first connecting pipe to communicate with the sealed connection port at the top of the temporary gas chamber. The bottom of the gas heating tube is provided with a second connecting pipe. The second connecting pipe is connected to the sealed connection port at the bottom of the temporary gas chamber through the circulation pump to form a closed gas path. The circulation pump can drive the gas generated by the heating of silicone oil to circulate in the closed gas path.

[0036] The control device 3 comprises a plate heat exchanger 302, a temperature detection structure, a pneumatic ball valve 306 and a central controller 303. The cold end side of the plate heat exchanger 302 is provided with a cold medium outlet pipe and a cold medium inlet pipe. Two groups of plate heat exchangers 302 share the same set of cold medium outlet pipe and cold medium inlet pipe. The cold medium inlet pipe and the cold medium outlet pipe facilitate the control of the heat exchange of the plate heat exchanger 302, thereby playing a role of temperature regulation. The pneumatic ball valve 306 can control the amount of cold medium entering and leaving.

[0037] The temperature detection structure is in multiple groups and can detect the temperature of the gas entering and leaving the gas heating pipe. The multiple groups of temperature detection structures have higher detection accuracy. The detected temperature information is transmitted to the central controller 303 for analysis and processing. The central controller 303 can control the heating of the silicon oil by the electric heating tank and the heat exchange of the plate heat exchanger 302, thereby regulating the temperature of the gas entering and leaving the gas heating pipe. The central controller 303 can pre-set a specific temperature value or temperature range to regulate the temperature to reach a specific value or a specific temperature range. The central controller 303 can record the adjustment data to achieve constant temperature.

[0038] Working principle: In the early stage of sterilization, the central controller controls the electric heating of the silicon oil, and then the gas is circulated in the constant temperature coil through the circulating pump and the plate heat exchanger. The overall operating temperature is collected by the temperature probe, and gradually reaches the sterilization requirement temperature. The central controller records the adjustment data until the end of the sterilization process, thereby maintaining the state and establishing a constant temperature environment. The data is monitored and recorded throughout the operation process to ensure that the temperature environment is not damaged.

[0039] Example two

[0040] Based on the embodiment one, the scheme in embodiment one is further refined and introduced in detail in combination with the following specific working mode, as shown in Figures 1 to 6 The details are described below:

[0041] As a preferred embodiment, the gas circulation structure 202 is provided with two groups of constant temperature coils 203 and circulation pumps 204 arranged on both sides of the inner cavity of the transfer window body 1. The top end of the constant temperature coil 203 is in communication with the heating assembly 201, and the bottom end structure is connected to the bottom structure of the heating assembly 201 through the circulation pump 204. The control device 3 is at least partially arranged between the circulation pump 204 and the heating assembly 201. Further, the heated gas in the constant temperature coil 203 on both sides of the inner cavity of the transfer window body 1 passes through, thereby heating the entire inner cavity to adjust the temperature. Cavities are formed on both sides of the inner cavity of the transfer window body 1 to accommodate the constant temperature coil 203. Fixing members are arranged in the cavities to fix the constant temperature coil 203. The constant temperature coil 203 is vertically arranged in a spiral shape, and interfaces are arranged at both ends to communicate with the circulation pump 204 and the heating assembly 201 through the pipe body. The circulation pump 204 can transport the hot gas to enter the top of the constant temperature coil 203 from the heating assembly 201, and then be transported from the bottom to the heating assembly 201 for heating and then enter the top of the constant temperature coil 203 again to form a gas circulation.

[0042] As a preferred embodiment, the control device 3 includes temperature probes 301 and plate heat exchangers 302. The temperature probes 301 are provided in multiple groups and at least partially arranged at the gas inlet and outlet ends of the constant temperature coil 203. The plate heat exchanger 302 is arranged between the circulation pump 204 and the heating assembly 201. Further, the temperature probes 301 arranged at the gas inlet and outlet ends of the constant temperature coil 203 can detect the temperature of the entering and exiting gas. The temperature probes 301 are at least partially arranged at the vertical center line of the constant temperature coil 203 to detect the temperature. Multiple temperature probes 301 can improve the accuracy of temperature detection, and facilitate subsequent control of the heat exchange of the plate heat exchanger 302 to adjust the temperature within a predetermined range or maintain a predetermined value.

[0043] As a preferred embodiment, the control device 3 is further provided with a central controller 303. The temperature probes 301 can transmit the detected temperature information to the central controller 303. The central controller 303 can control the heating assembly 201 and the plate heat exchanger 302 to make the temperature of the inner cavity of the transfer window body 1 reach a predetermined value. Further, the central controller 303 receives the temperature information transmitted by the temperature probes 301 in real time and processes the information. The central controller 303 is pre-set with a specific temperature range or a specific temperature value. The central controller 303 controls the heating of the silicon oil by the heating assembly 201 and the temperature adjustment of the gas by the plate heat exchanger 302, thereby making the temperature reach a predetermined value or within a predetermined range.

[0044] As a preferred embodiment, the heating assembly 201 comprises an electric heating structure 205 and a silicone oil tank 206 capable of filling the electric heating structure 205 with silicone oil, and the electric heating structure 205 is capable of heating the silicone oil to generate hot gas into the constant temperature coil 203; further, the silicone oil tank 206 is connected with the heating groove 208 through a conveying pipe, and an electromagnetic valve is arranged at the conveying pipe to control the filling of the silicone oil tank 206 into the heating groove 208, the electric heating structure 205 is capable of controlling the heating and heating temperature of the silicone oil to heat it within a specific temperature range, the heating efficiency is higher, the liquid level meter is arranged inside the expansion container to monitor the liquid level, the top of the silicone oil tank 206 is provided with a filling port and a filter, the filling port is capable of filling the silicone oil, and the filter is capable of filtering the silicone oil, the expansion container is capable of adjusting the gas pressure to improve the stability of the whole device.

[0045] As a preferred embodiment, the electric heating structure 205 comprises a gas cavity structure 207 and a heating groove 208 inside the gas cavity structure 207, the heating groove 208 is connected with the silicone oil tank 206, and a heating rod 209 is arranged in the heating groove 208 for heating the silicone oil; further, the gas cavity structure 207 is used for temporary residence of gas, the heating rod 209 is an electronic heating structure capable of controlling the heating temperature to heat the silicone oil, the gas generated after the silicone oil is heated escapes in the gas cavity structure 207, and the silicone oil tank 206 is capable of supplementing the silicone oil in the heating groove 208.

[0046] As a preferred embodiment, the inner wall of the gas cavity structure 207 is provided with a support frame 210 for fixing the heating groove 208, the top of the gas cavity structure 207 is communicated with the constant temperature coil 203, and the bottom is connected with the circulating pump 204; further, the support frame 210 is provided with a connecting rod at both ends to connect with the inner wall of the gas cavity structure 207, the connecting mode is clamping or inserting, the shape of the support frame 210 is matched with the shape of the heating groove 208, and the size is slightly larger than the size of the groove body, the support frame 210 is capable of clamping the bottom structure of the heating groove 208 to fix it in the gas cavity structure 207, and the top and bottom of the gas cavity structure 207 are provided with sealing connection ports to be connected with the constant temperature coil 203 and the circulating pump 204 respectively, the connection mode is connected through a pipe body, and a sealing gasket is arranged at the connection position to seal.

[0047] As a preferred embodiment, the cold side medium inlet pipe 304 and the cold side medium outlet pipe 305 are arranged between the two groups of plate heat exchangers 302, and the cold side medium inlet pipe 304 and the cold side medium outlet pipe 305 can control the inlet and outlet of the cold medium of the two groups of plate heat exchangers 302; further, the cold side medium inlet pipe 304 and the cold side medium outlet pipe 305 are T-shaped pipe bodies, the horizontal pipes of the T-shaped pipe bodies are connected to the cold ends of the plate heat exchangers 302 on both sides, and the vertical pipes are used as common structures for the inlet and outlet of the cold medium; the inlet and outlet of the cold medium can adjust the heat exchange temperature of the plate heat exchangers 302; the cold side medium inlet pipe 304 is provided with a filter screen and a temperature and pressure sensor; the filter screen can filter the entering cold medium, and the temperature and pressure sensor can monitor the pressure and temperature of the entering cold medium to control the heat exchange of the plate heat exchangers 302.

[0048] As a preferred embodiment, the control device 3 is further provided with a plurality of groups of pneumatic ball valves 306, part of the structures of the pneumatic ball valves 306 are arranged on the cold side medium inlet pipe 304, and the remaining structures are arranged on the cold side medium outlet pipe 305; further, the pneumatic ball valves 306 are electric control devices, and the central controller 303 can control the opening and closing of the pneumatic ball valves 306; the number of the pneumatic ball valves 306 is at least four, two groups of which are arranged on the cold side medium inlet pipe 304 and the cold side medium outlet pipe 305 of the plate heat exchanger 302 on one side, and the remaining two groups are arranged on the pipe bodies on the other side; the pneumatic ball valves 306 can control the inlet and outlet and flow of the cold medium.

[0049] As a preferred embodiment, the structures on both sides of the transfer window body 1 are provided with clamping grooves 101 for clamping the constant temperature coil 203; further, the constant temperature coil 203 is arranged in a spiral shape, the clamping grooves 101 are arranged on both sides of the inner cavity of the transfer window body 1 from top to bottom, the inner wall of the clamping grooves 101 is provided with a plurality of support pieces for supporting the constant temperature coil 203, the support pieces include support rods and arc clamping pieces connected at the ends of the support rods, one end of the support rod is connected to the inner wall of the clamping groove 101, and the arc clamping piece has a certain deformation capacity to clamp the constant temperature coil 203.

[0050] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between the two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0051] Secondly, the utility model discloses the embodiment in the drawing, only relate to the structure with the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other.

[0052] Finally, the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A thermostatically controlled VHP pass-through window characterized in that, The utility model provides a circulating heating type display window, which comprises a display window body (1), a heating circulating device (2) and a control device (3), wherein: the heating circulating device (2) is arranged on the display window body (1) and comprises a heating assembly (201) and a gas circulating structure (202); the heating assembly (201) is used for heating medium to generate gas; the gas enters the gas circulating structure (202) to circulate and flow to heat the display window body (1); and the control device (3) is arranged on the heating circulating device (2) and can monitor the heating temperature of the display window body (1) by the gas circulating structure (202) and control the heating of the heating assembly (201) to make the display window body (1) be in a specific temperature state.

2. The thermostatically controlled VHP transfer window of claim 1, wherein: The gas circulating structure (202) is arranged on two sides of the inner cavity of the display window body (1) and comprises a constant-temperature coil pipe (203) and a circulating pump (204); the top end of the constant-temperature coil pipe (203) is communicated with the heating assembly (201); the bottom end structure is connected with the bottom structure of the heating assembly (201) through the circulating pump (204); and at least part of the structure of the control device (3) is arranged between the circulating pump (204) and the heating assembly (201).

3. The thermostatically controlled VHP transfer window of claim 2, wherein: The control device (3) comprises a temperature probe (301) and a plate heat exchanger (302); the temperature probe (301) is arranged on the gas inlet end and the gas outlet end of the constant-temperature coil pipe (203); and the plate heat exchanger (302) is arranged between the circulating pump (204) and the heating assembly (201).

4. The thermostatically controlled VHP transfer window of claim 3, wherein: The control device (3) is further provided with a central controller (303); the temperature probe (301) can transmit the detected temperature information to the central controller (303); and the central controller (303) can control the heating assembly (201) and the plate heat exchanger (302) to make the temperature of the inner cavity of the display window body (1) reach a predetermined value.

5. The thermostatically controlled VHP transfer window of claim 2, wherein: The heating assembly (201) comprises an electric heating structure (205) and a silicon oil barrel (206); the silicon oil barrel (206) can inject silicon oil into the electric heating structure (205); and the electric heating structure (205) can heat the silicon oil to generate hot gas into the constant-temperature coil pipe (203).

6. A thermostatically controlled VHP transfer window according to claim 5, characterised in that: The electric heating structure (205) comprises a gas cavity structure (207) and a heating groove (208) in the gas cavity structure (207); the heating groove (208) is connected with the silicon oil barrel (206); and a heating rod (209) is arranged in the heating groove (208) to heat the silicon oil.

7. The thermostatically controlled VHP transfer window of claim 6, wherein: A support frame (210) is arranged on the inner wall of the gas cavity structure (207) to fix the heating groove (208); the top of the gas cavity structure (207) is communicated with the constant-temperature coil pipe (203); and the bottom of the gas cavity structure (207) is connected with the circulating pump (204).

8. The thermostatically controlled VHP transfer window of claim 3, wherein: The cold side medium inlet pipe (304) and the cold side medium outlet pipe (305) are arranged between the two groups of plate heat exchangers (302), and the cold side medium inlet pipe (304) and the cold side medium outlet pipe (305) can control the inlet and outlet of the cold medium of the two groups of plate heat exchangers (302).

9. The thermostatically controlled VHP transfer window according to claim 8, characterized in that: The control device (3) is also provided with pneumatic ball valves (306), the number of the pneumatic ball valves (306) is multiple groups, part of the structure is arranged on the cold side medium inlet pipe (304), and the rest of the structure is arranged on the cold side medium outlet pipe (305).

10. The thermostatically controlled VHP transfer window of claim 2, wherein: The structure that the transmission window body (1) is located at both sides of the inner cavity is provided with a clamping groove (101), which can clamp the constant temperature coil (203).