Heating device for cell culture

Abstract

The utility model relates to the technical field of cell culture, in particular to a heating device for cell culture. The device is characterized by comprising a power supply module, a heating module and a control module, wherein the power supply module is adaptively connected with the heating module and the control module; the power supply module is used for converting external voltage into working voltage of the heating module and the control module; the heating module comprises a main heating unit and a standby heating unit, the main heating unit and the standby heating unit are both used for being installed in an area needing to be heated in the cell culture equipment, a temperature sensor used for detecting the temperature is arranged in the area needing to be heated in the cell culture equipment, and the control module is connected with the heating module and the temperature sensor in a matched mode. The control module controls the main heating unit and the standby heating unit to be switched for operation according to temperature information transmitted by the temperature sensor. By adopting the heating device, the problem of culture failure caused by failure of a certain heating device can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of cell culture, in particular to a heating device for cell culture. Background Art

[0002] At present, the traditional heating device for cell culture uses a heating module to heat the area that needs to be heated in the cell culture equipment. However, cell culture has very high temperature requirements. Once the temperature fluctuates, it may cause cell death. The traditional heating device for cell culture has only one heating module. If the heating module fails, it will not work, and thus it will not be able to maintain the temperature of the area that needs to be heated in the cell culture equipment, resulting in culture failure. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a heating device for cell culture, by which the problem of culture failure caused by failure of a certain heating device can be avoided.

[0004] In order to solve the above problems, the following technical solutions are provided:

[0005] The cell culture heating device of the utility model is characterized in that it comprises a power supply module, a heating module and a control module, wherein the power supply module is adaptably connected to the heating module and the control module; the power supply module is used to convert an external voltage into an operating voltage of the heating module and the control module; the heating module contains a main heating unit and a standby heating unit, both of which are used to be installed in an area that needs to be heated in the cell culture equipment, and a temperature sensor for detecting the temperature is provided in the area that needs to be heated in the cell culture equipment, the control module is adaptably connected to the heating module and the temperature sensor, and the control module controls the switching operation of the main heating unit and the standby heating unit according to the temperature information transmitted by the temperature sensor.

[0006] The advantages of adopting the above scheme are: by adopting the main and backup heating units, when the main heating unit fails, the backup heating unit is switched to work, thereby ensuring the stability of temperature.

[0007] Among them, the heating module contains a switching switch, the main heating unit and the backup heating unit are connected to the power module through the switching switch, the control module is connected to the switching switch, and the control module controls the main heating unit and the backup heating unit to switch operation through the switching switch.

[0008] The advantages of adopting the above scheme are: using a switch to realize the operation switching of the main and standby heating units, the circuit structure is simple and the reliability is high.

[0009] The main heating unit contains no less than two main silicone insulation heating plates, the standby heating unit contains no less than two standby silicone insulation heating plates, and the switching switch contains no less than two relays. The number of main silicone insulation heating plates in the main heating unit, the number of standby silicone insulation heating plates in the standby heating unit and the number of relays in the switching switch are the same, and the main silicone insulation heating plates and the standby silicone insulation heating plates correspond to the relays one by one. The main silicone insulation heating plates and the standby silicone insulation heating plates are connected to the power module through corresponding relays, and the relays are connected to the control module.

[0010] The power module is a 24V power supply. One end of the main silicone insulation heating sheet and the spare silicone insulation heating sheet are connected to the 24V power supply port of the power module, the other end of the main silicone insulation heating sheet and the spare silicone insulation heating sheet are connected to a contact pin of the corresponding relay, the other contact pin of the relay is connected to the 0V power supply port of the 24V power supply, one coil pin of the relay is connected to the 24V power supply port of the power module, and the other coil pin of the relay is connected to the control module.

[0011] The advantages of adopting the above scheme are: using the relay as a switching switch has good stability, and using the rubber-insulated heating sheet as the heating element has stable performance.

[0012] An emergency switch is connected in series to one end of the main silicone insulating heating sheet and the standby silicone insulating heating sheet connected to the 24V power supply port of the power module.

[0013] The advantages of adopting the above scheme are: in case of emergency, an emergency switch can be realized, and each rubber-insulated heating plate is provided with an emergency switch to realize separate control.

[0014] The control module adopts a PLC chip of model XL5E-64T.

[0015] The above solution has the following advantages:

[0016] Since the heating module of the cell culture heating device of the utility model contains a main heating unit and a standby heating unit, the main heating unit and the standby heating unit are both used to be installed in the area that needs to be heated in the cell culture equipment, and there is a temperature sensor for detecting the temperature in the area that needs to be heated in the cell culture equipment, and the control module is connected with the heating module and the temperature sensor adapter, and the control module controls the main heating unit and the standby heating unit to switch and operate according to the temperature information transmitted by the temperature sensor. In normal operation, the main heating unit operates and the standby heating unit does not operate. When the main heating unit fails, the temperature of the area that needs to be heated in the cell culture equipment decreases, and the temperature sensor transmits the temperature information to the control module. When the temperature is lower than the preset threshold of the control module, the control module controls the main heating unit to stop operating and the standby heating unit to operate, thereby ensuring that the temperature of the area that needs to be heated is within the preset threshold, avoiding the situation where a certain heating unit is damaged and the cell culture fails. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a circuit diagram of the heating device for cell culture of the utility model;

[0018] Figure 2 It is a schematic diagram of the model of the control module in the heating device for cell culture of the utility model;

[0019] Figure 3 It is a wiring diagram of a control module control relay in the heating device for cell culture of the utility model;

[0020] Figure 4 The utility model is a wiring diagram of temperature collection and heating control of a control module in a heating device for cell culture. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0022] The cell culture heating device of the utility model comprises a power module 1, a heating module and a control module 6. The power module 1 is used to convert an external voltage into an operating voltage of the heating module and the control module 6. The main heating unit and the standby heating unit are connected to the power module 1 through a switching switch, and the control module 6 is connected to the switching switch. The control module 6 controls the operation of the main heating unit and the standby heating unit through the switching switch.

[0023] like Figure 1As shown, in this embodiment, the power module 1 is a 24V power supply, and the input equivalent voltage of the 24V power supply is 220V (volts), and the frequency is 50HZ AC, that is, normal municipal electricity. The 24V power supply outputs 24V DC, and the 24V power supply contains a 0V port, that is, a common port. The specific model selection of the 24V power supply belongs to the conventional technical means in this field, and will not be repeated here. In this embodiment, the power module 1 converts the AC with an equivalent voltage of 220V (volts) and a frequency of 50HZ into 24V DC for use by the heating module and the control module 6.

[0024] like Figure 1 As shown, the heating module contains a main heating unit, a standby heating unit and a switching switch. The main heating unit and the standby heating unit are both used to be installed in the area that needs to be heated in the cell culture device. The area that needs to be heated in the cell culture device has a temperature sensor 2 for detecting the temperature. The main heating unit contains no less than two main silicone insulation 3 heating plates, the standby heating unit contains no less than two standby silicone insulation heating plates 4, and the switching switch contains no less than two relays 5. The number of main silicone insulation 3 heating plates in the main heating unit, the number of standby silicone insulation heating plates 4 in the standby heating unit and the number of relays 5 in the switching switch are the same. The control module 6 is connected to the heating module and the temperature sensor adapter. The control module 6 controls the switching operation of the main heating unit and the standby heating unit according to the temperature information transmitted by the temperature sensor 2.

[0025] like Figure 1 As shown, in this embodiment, there are 4 areas that need to be heated in the cell culture equipment, and each area has a temperature sensor 2, which are temperature sensor 1, temperature sensor 2, temperature sensor 3 and temperature sensor 4, respectively. There are also four main silicone insulation 3 heating plates, four spare silicone insulation heating plates 4 and relays 5, and the relays 5 are solid-state relays 5. The four main silicone insulation 3 heating plates and the four spare silicone insulation heating plates 4 are located in the four areas that need to be heated in the cell culture equipment in a one-to-one correspondence. The main silicone insulation 3 heating plates and the spare silicone insulation heating plates 4 are connected to the power module 1 through the corresponding relays 5, and the relays 5 are connected to the control module 6. The specific model selection of the relay 5 belongs to the conventional technical means in this field and will not be repeated here.

[0026] like Figure 1As shown, one end of the main silicone insulation 3 heating plate and the spare silicone insulation heating plate 4 are connected to the 24V power supply port of the power module 1 through an emergency switch. In order to achieve emergency power off when a fault occurs. The other ends of the main silicone insulation 3 heating plate and the spare silicone insulation heating plate 4 are connected to a contact pin of the corresponding relay 5, and the other contact pin of the relay 5 is connected to the 0V power supply port of the 24V power supply, and a coil pin of the relay 5 is connected to the 24V power supply port of the power module 1, and the other coil pin of the relay 5 is connected to the control module 6.

[0027] like Figure 2 As shown, in this embodiment, the control module 6 uses a PLC chip of model XL5E-64T. Figure 3 As shown, the coils of the four relays 5 are relay 5KM1, relay 5KM2, relay 5KM3 and relay 5KM4, one end of relay 5KM1, relay 5KM2, relay 5KM3 and relay 5KM4 is connected to the 24V power supply port of the 24V power supply, and the other end of relay 5KM1, relay 5KM2, relay 5KM3 and relay 5KM4 is connected to the Y4-Y7 pins of the PLC chip respectively. Figure 4 As shown, temperature sensor 1 is connected to the A0, B0 and C0 pins of the PLC chip, temperature sensor 2 is connected to the A1, B1 and C1 pins of the PLC chip, temperature sensor 3 is connected to the A2, B2 and C2 pins of the PLC chip, and temperature sensor 4 is connected to the A3, B3 and C3 pins of the PLC chip to realize temperature collection in the heating area. The switch pins of the four relays 5 are respectively connected to the Y0-Y3 pins of the PLC chip to control the start of the relay 5 to form a path.

[0028] Normal operation, the main heating unit is running, and the standby heating unit is not running. When the main heating unit fails, the temperature of the area that needs to be heated in the cell culture device decreases, and the temperature sensor 2 transmits the temperature information to the control module 6. When the temperature is lower than the preset threshold of the control module 6, the control module 6 controls the main heating unit to stop running and the standby heating unit to run, thereby ensuring that the temperature of the area that needs to be heated is within the preset threshold, avoiding the situation where a certain heating unit is damaged and the cell culture fails.

Claims

1. A heating device for cell culture, characterized in that: It comprises a power module, a heating module and a control module, wherein the power module is adaptably connected with the heating module and the control module; the power module is used to convert an external voltage into an operating voltage of the heating module and the control module; the heating module contains a main heating unit and a standby heating unit, both of which are used to be installed in an area that needs to be heated in the cell culture device, and a temperature sensor for detecting the temperature is provided in the area that needs to be heated in the cell culture device, the control module is adaptably connected with the heating module and the temperature sensor, and the control module controls the switching operation of the main heating unit and the standby heating unit according to the temperature information transmitted by the temperature sensor.

2. The cell culture heating device according to claim 1, characterized in that: The heating module comprises a switching switch, the main heating unit and the standby heating unit are connected to the power module via the switching switch, the control module is connected to the switching switch, and the control module controls the main heating unit and the standby heating unit to switch and operate via the switching switch.

3. The heating device for cell culture according to claim 2, characterized in that: The main heating unit contains no less than two main silicone insulation heating plates, the standby heating unit contains no less than two standby silicone insulation heating plates, and the switching switch contains no less than two relays. The number of main silicone insulation heating plates in the main heating unit, the number of standby silicone insulation heating plates in the standby heating unit and the number of relays in the switching switch are the same, and the main silicone insulation heating plates and the standby silicone insulation heating plates correspond to the relays one by one. The main silicone insulation heating plates and the standby silicone insulation heating plates are connected to the power module through corresponding relays, and the relays are connected to the control module.

4. The heating device for cell culture according to claim 3, characterized in that: The power module is a 24V power supply; one end of the main silicone insulation heating plate and the spare silicone insulation heating plate are connected to the 24V power supply port of the power module, and the other end of the main silicone insulation heating plate and the spare silicone insulation heating plate are connected to a contact pin of the corresponding relay, and the other contact pin of the relay is connected to the 0V power supply port of the 24V power supply, one coil pin of the relay is connected to the 24V power supply port of the power module, and the other coil pin of the relay is connected to the control module.

5. The cell culture heating device according to claim 4, characterized in that: An emergency switch is connected in series to one end of the main silicone insulating heating sheet and the standby silicone insulating heating sheet connected to the 24V power supply port of the power module.

6. The heating device for cell culture according to claim 4, characterized in that: The control module adopts a PLC chip of model XL5E-64T.

Images