CN209744800U - Biological tissue freezing table refrigerating system - Google Patents
Biological tissue freezing table refrigerating system Download PDFInfo
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- CN209744800U CN209744800U CN201920312393.8U CN201920312393U CN209744800U CN 209744800 U CN209744800 U CN 209744800U CN 201920312393 U CN201920312393 U CN 201920312393U CN 209744800 U CN209744800 U CN 209744800U
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- heat dissipation
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- refrigeration
- evaporator
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- 238000007710 freezing Methods 0.000 title claims abstract description 20
- 230000008014 freezing Effects 0.000 title claims abstract description 19
- 238000005057 refrigeration Methods 0.000 abstract description 11
- 230000017525 heat dissipation Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
A biological tissue freezing table refrigerating system belongs to the technical field of medical instruments. The refrigeration device comprises a compressor, a condenser, a capillary tube and an evaporator which are connected in sequence, wherein the evaporator and the compressor are connected to form a loop, a refrigeration table top is arranged on the evaporator, the refrigeration device also comprises a temperature sensor arranged on the refrigeration table top, and a heat dissipation device used for heat dissipation of the condenser, and the temperature sensor and the heat dissipation device are connected through a temperature controller. The utility model has simple structure and low manufacturing cost, the heat dissipation device is an indispensable part of the refrigeration system, the temperature control purpose is achieved by adjusting the heat dissipation effect of the heat dissipation device, and the heat dissipation device is a fan, thereby reducing the cost of the heat dissipation device; the compressor does not need to be started or stopped frequently, so that the noise of the compressor is reduced, the energy consumption is reduced, and the service life is prolonged; good temperature control effect and small temperature fluctuation range. The beneficial effects are that it has good popularization and application prospect.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to biological tissue freezing platform refrigerating system.
Background
The biological tissue freezing station is one of the related pathological instruments in medical equipment, and can rapidly cool the paraffin-embedded biological tissue, solidify the paraffin-embedded biological tissue and reduce the temperature of the paraffin-embedded biological tissue to an optimal value so as to carry out the next slicing. The temperature control range is zero to-fifteen ℃, the optimal temperature for treating different biological tissues is different, and the user can set the temperature at will from zero to-fifteen ℃. The expansion coefficients of the biological tissue and the paraffin are different, and the frost cracking phenomenon can occur at an excessively low temperature, so that the slicing quality is influenced. Since the embedding of the biological tissue is carried out on a freezing table, the temperature of the freezing table plays a crucial role in the embedding of the biological tissue. The temperature of the table top of the freezing table is well controlled, so that the embedding of the biological tissue can achieve the optimal effect, and the biological tissue slice can achieve the optimal state.
The refrigerating system of the existing biological tissue freezing table generally comprises a compressor, a condenser, a capillary tube, an evaporator and a temperature controller, and the traditional temperature control mode mainly comprises the following steps: 1. a mode of opening and closing the passage of the capillary; 2. by the opening and closing of the compressor; 3. adopting a variable frequency compressor; 4. heating the table top by a heating film, and the like. However, the above temperature control methods have inevitable disadvantages: the temperature is adjusted by opening and closing the capillary passage, the temperature fluctuation range is large, and the stability is not high; the temperature is adjusted by opening and closing the compressor, and the compressor needs to be started and stopped frequently, so that the energy consumption and the noise are high, and the service life is influenced; the temperature is adjusted by adopting the variable frequency compressor, so that the cost of the variable frequency compressor is high; the heating film is adopted for temperature adjustment, so that the manufacturing and using cost is increased.
Disclosure of Invention
The utility model aims at the not enough of prior art, provide a biological tissue freezing platform refrigerating system, through the effect that changes the refrigerant liquefaction, reach the accuse temperature purpose, its simple structure, low in manufacturing cost, accuse temperature is effectual.
The above-mentioned invention purpose is realized through the following technical scheme: the biological tissue freezing table refrigerating system comprises a compressor, a condenser, a capillary tube and an evaporator which are connected in sequence, wherein the evaporator and the compressor are connected to form a loop, the evaporator is provided with a freezing table, namely a freezing table surface, the biological tissue freezing table refrigerating system is characterized by further comprising a temperature sensor arranged on the freezing table surface and a heat radiating device used for radiating heat of the condenser, and the temperature sensor and the heat radiating device are connected through a temperature controller.
Preferably, the heat sink is a fan.
Preferably, a one-way valve is arranged between the compressor and the condenser.
Compared with the prior art, the utility model have following beneficial effect: the cooling device is an indispensable component of a refrigeration system, the temperature control is achieved by adjusting the cooling effect of the cooling device, and the cooling device is a fan, so that the cost of the cooling device is reduced; secondly, the compressor does not need to be started or stopped frequently, so that the noise of the compressor is reduced, the energy consumption is reduced, and the service life is prolonged; thirdly, the temperature fluctuation range is small, and the temperature control effect is good. The beneficial effects are that it has good popularization and application prospect.
Drawings
FIG. 1: the embodiment of the utility model provides a structural schematic diagram
In the figure: 1-compressor, 2-condenser, 3-capillary tube, 4-evaporator, 5-temperature sensor, 6-temperature controller, 7-heat sink, i.e. fan, 8-freezing table, i.e. freezing table top, and 9-one-way valve.
Detailed Description
The invention is further described below with respect to the embodiment shown in fig. 1:
The refrigeration system comprises a compressor 1, a one-way valve 9, a condenser 2, a capillary tube 3 and an evaporator 4 which are connected in sequence, wherein the evaporator 4 is connected with the compressor 1 to form a loop, a refrigeration platform, namely a refrigeration table top 8, is arranged on the evaporator 4, the refrigeration system also comprises a temperature sensor 5 arranged on the refrigeration table top 8 and a heat dissipation device, namely a fan 7, for dissipating heat of the condenser 2, and the temperature sensor 5 is connected with the heat dissipation device, namely the fan 7, through a temperature controller 6.
The embodiment of the utility model provides a when using, the user sets up the temperature through temperature controller 6 according to actual need, and the refrigerant loops through compressor 1, check valve 9, condenser 2, capillary 3 and gets back to compressor 1 behind the evaporimeter 4. In the refrigerating system, four basic processes of compression, condensation, throttling and evaporation are carried out to complete a refrigerating cycle. The temperature sensor 5 monitors the temperature of a refrigerating platform 8 on the evaporator 4 in real time and outputs the temperature to the temperature controller 6, the difference value between the temperature and the actual temperature is set as an input signal for increasing or decreasing the rotating speed of the fan 7, and the input signal is output to the fan 7 after being calculated by the temperature controller 6, so that the purpose of temperature control is achieved.
Claims (3)
1. A biological tissue freezing table refrigerating system comprises a compressor, a condenser, a capillary tube and an evaporator which are connected in sequence, wherein the evaporator and the compressor are connected to form a loop, and a freezing table, namely a freezing table top, is arranged on the evaporator.
2. The system as claimed in claim 1, wherein the heat sink is a fan.
3. The system of claim 1, wherein a check valve is disposed between the compressor and the condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312393.8U CN209744800U (en) | 2019-03-12 | 2019-03-12 | Biological tissue freezing table refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312393.8U CN209744800U (en) | 2019-03-12 | 2019-03-12 | Biological tissue freezing table refrigerating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209744800U true CN209744800U (en) | 2019-12-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920312393.8U Active CN209744800U (en) | 2019-03-12 | 2019-03-12 | Biological tissue freezing table refrigerating system |
Country Status (1)
| Country | Link |
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| CN (1) | CN209744800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097011A (en) * | 2020-11-17 | 2020-12-18 | 北京航空航天大学 | Pipeline management device and two-dimensional pointing low-temperature loop heat pipe system |
-
2019
- 2019-03-12 CN CN201920312393.8U patent/CN209744800U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097011A (en) * | 2020-11-17 | 2020-12-18 | 北京航空航天大学 | Pipeline management device and two-dimensional pointing low-temperature loop heat pipe system |
| CN112097011B (en) * | 2020-11-17 | 2021-03-19 | 北京航空航天大学 | Pipeline management device and two-dimensional pointing low-temperature loop heat pipe system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A refrigeration system of biological tissue cryostat Effective date of registration: 20201203 Granted publication date: 20191206 Pledgee: Bank of Jinhua Limited by Share Ltd. Wucheng branch Pledgor: JINHUA YIDI MEDICAL APPLIANCE Co.,Ltd. Registration number: Y2020330001106 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220530 Granted publication date: 20191206 Pledgee: Bank of Jinhua Limited by Share Ltd. Wucheng branch Pledgor: JINHUA YIDI MEDICAL APPLIANCE CO.,LTD. Registration number: Y2020330001106 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Refrigeration System for Biological Tissue Freezer Effective date of registration: 20221011 Granted publication date: 20191206 Pledgee: Bank of Jinhua Limited by Share Ltd. Wucheng branch Pledgor: JINHUA YIDI MEDICAL APPLIANCE CO.,LTD. Registration number: Y2022330002364 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230321 Granted publication date: 20191206 Pledgee: Bank of Jinhua Limited by Share Ltd. Wucheng branch Pledgor: JINHUA YIDI MEDICAL APPLIANCE CO.,LTD. Registration number: Y2022330002364 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A refrigeration system for biological tissue freezing table Effective date of registration: 20231213 Granted publication date: 20191206 Pledgee: Industrial and Commercial Bank of China Limited Jinhua Branch Pledgor: JINHUA YIDI MEDICAL APPLIANCE CO.,LTD. Registration number: Y2023980071225 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |