CN201034738Y - A rotary real-time temperature control detection device - Google Patents

Abstract

The utility model relates to a rotary real-time temperature control detection device, which includes a power source and a transmission device connected thereto, and is characterized in that a rotating bracket is arranged on the top of the output shaft of the transmission device, and the output of the transmission device A prior art rotary connector is provided at the bottom of the shaft; a mounting hole is provided at the center of the rotary bracket, at least one temperature detection sensor is provided on the peripheral edge of the rotary bracket, and the wires of the temperature detection sensor are connected to the rotary The signal line end of the rotating part of the connector, and leads out the wire through the terminal of the fixed part of the rotating connector. After the utility model is installed in the biomedical detection device, the temperature detection sensor can occupy the working position of a sample tube on the sample plate, so that the temperature detection sensor and the real-time fluorescence correction device rotate like a sample tube, so that the real-time Accurately detect the temperature in the sample tube, and transmit real-time data to the control system to adjust the temperature. The utility model can be widely used in various biomedical detection devices.

Description

A rotary real-time temperature control detection device

technical field

The utility model relates to a temperature detection device, in particular to a rotary real-time temperature control detection device.

Background technique

Many detection devices used in the field of biological and medical research, such as PCR detectors, incubators, hybridization instruments, water baths, etc., often involve the problem of providing a corresponding temperature environment for the samples to be tested, especially in some devices. The sample tube with the sample installed on a sample plate is often in a state of rotating motion, so it is difficult to detect the real temperature felt by the sample tube. In the prior art, a temperature detector is generally installed at a fixed position in the sample reaction chamber, but this detection result can only represent the temperature of the sample reaction chamber, and when the sample rotates in the reaction chamber, the sample to be tested will feel There is often a difference or inhomogeneity between the actual temperature of the reaction chamber and the temperature of the reaction chamber. This difference or inhomogeneity in temperature may cause a large error in the test results of the sample to be tested. In addition, in many detection devices, the real-time fluorescence signal detection optical system is usually used to detect the fluorescence of the sample, and the slight deviation of the optical system during the detection process will also cause the inaccuracy of the detection results, so the general detection device also needs Set up some optical corrections.

Contents of the invention

In view of the above problems, the main purpose of this utility model is to provide a real-time rotary temperature detection device with real and accurate temperature detection.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a rotary real-time temperature control detection device, which includes a power source and a transmission device connected thereto, and is characterized in that a top of the output shaft of the transmission device is set Rotary bracket, the bottom of the output shaft of the transmission device is provided with a prior art rotary connector; the center of the rotary bracket is provided with a mounting hole, the peripheral edge of the rotary bracket is provided with at least one temperature detection sensor, the temperature The wires of the detection sensor are connected to the signal wire end of the rotating part of the rotary connector, and lead out through the terminal of the fixed part of the rotary connector.

The temperature detection sensor is one of a thermistor, a thermocouple, a resistance temperature detector and a thermal diode.

At least one real-time fluorescence correction device is arranged on the peripheral edge of the rotating support, and the material for making the real-time fluorescence correction device is a material capable of generating visible spectrum fluorescence signals for detection when irradiated with a light source.

The rotating support is a rotating disk.

The rotating bracket is a bracket with at least two protruding ends.

Two temperature detection sensors and two real-time fluorescence correction devices are arranged symmetrically at intervals of 90° on the rotating support.

The rotary connector is one of a collector ring, a carbon brush slip ring and a mercury slip ring.

Because the utility model adopts the above technical scheme, it has the following advantages: 1. The utility model is provided with a rotating bracket on the output shaft of the transmission device driven by the motor, and a temperature detection sensor is arranged on the rotating bracket, so when the utility model When the new model is used, the sample plate with the sample tube installed can be fixed on the rotating bracket, so that the temperature detection sensor is in the same rotating state as the sample tube, so that the real temperature felt by each sample tube in the sample reaction chamber can be detected in real time , effectively overcome the deficiencies in the prior art. 2. Since the utility model is equipped with a real-time fluorescence correction device on the sample plate, the system can monitor the error changes of the system device in time while detecting the fluorescence signal of the amplification product in the sample tube in the rotating state, and Correct and eliminate system errors in time to make the detection results more accurate and reliable. 3. The utility model is provided with a rotary connector on the output shaft of the transmission device, and the wire of the temperature detection sensor is connected to the rotating part of the rotary connector, and the temperature detection sensor is connected to the control system by using the fixed part of the rotary connector. Therefore, it effectively solves the problem that the output wire cannot rotate when the temperature detection sensor and the sample disk rotate coaxially. The invention can be widely used in various biomedical detection devices that require rotary temperature detection, such as PCR detectors.

Description of drawings

Fig. 1 is a structural representation of the utility model

Fig. 2 is a structural schematic diagram of the utility model rotating bracket

Fig. 3 is the structural representation of the sample tube to be tested and the sample tray connected with the utility model

Figure 4 is a schematic diagram of the utility model rotary connector principle

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the utility model is described in detail.

As shown in Figure 1, the utility model is arranged in the biomedical detection device as a separate component, and it comprises general motor 1 and transmission device 2 as power source, and the feature of the present utility model is: in the transmission device 2 A rotary disc 3 is arranged on the top of the output shaft, and a rotary connector 4 is arranged on the bottom of the output shaft of the transmission device 2 . A screw hole 5 is arranged in the center of the rotating disk 3 , and one, two or more temperature detection sensors 6 are symmetrically arranged on the peripheral edge of the rotating disk 3 . The temperature detection sensor 6 may be a device with a temperature detection function such as a thermistor, a thermocouple, a resistance temperature detector (RTD), or a thermal diode. The screw hole 5 provided at the center of the rotating disc 3 connected with the temperature detection sensor 6 can also adopt other structural methods such as a common rotating slot.

On the rotary disk 3 of the present utility model, except the temperature detection sensor 6, one, two or more real-time fluorescence correction devices 7 can also be set on the circumferential edge of the rotary disk 3, and the real-time fluorescence correction device 7 is irradiated by a light source. Made of materials that can produce fluorescent signals. The real-time fluorescence correction device 7 can be set at intervals with the temperature detection sensor 6, for example, a temperature detection sensor 6 is set at an interval of 90°, and a real-time fluorescence correction device 7 is set at an interval of 90°.

As shown in Figure 2, the rotating disc 3 of the present utility model also can adopt the rotating support of other structural forms, such as: a support 8 with three, four or more protruding ends is set, and a support 8 is set at the center of the support 8 The screw holes 5 or the rotating slots are the same as those in the above-mentioned embodiments, and temperature detection sensors 6 and real-time fluorescence calibration devices 7 are respectively provided at the protruding ends of the brackets 8 . For example, in this embodiment, two real-time fluorescence correction devices 7 are arranged at intervals from the temperature detection sensor 6 .

When the utility model is installed in the overall biomedical detection device, it is necessary to make the rotating disk 3 (still take the rotating disk 3 as an example, and other structural modes are not excluded) to be located in the sample reaction chamber, and to install a rotating disk 3 by tightening the handle 9. The sample disc 11 (as shown in FIG. 3 ) of the sample tube 10 is fixed on the rotating disc 3, so that the temperature detection sensor 6 and the real-time fluorescence calibration device 7 respectively occupy a working position of a sample tube 10 on the sample disc 11, so that Make the temperature detection sensor 6 and the real-time fluorescence calibration device 7 of the present utility model rotate like a sample tube 10, truly and accurately detect the real-time temperature data felt by the sample in the sample tube 10 in a moving state, and transmit the data to Control the system to adjust the temperature up or down. At the same time, the real-time fluorescence correction device 7 can be detected by the real-time fluorescence signal detection optical system like the fluorescence signal of the amplified product in the sample tube 10, and transmitted to the control system. The control system can distinguish the signal fed back by the real-time fluorescence correction device 7, and pass System errors are found by comparison and corrected in time.

It can be seen from the above description that the utility model is in a rotating state when it works in a biomedical device, but during the rotation process, the wire connected to the temperature detection sensor 6 must not rotate with it. In order to solve this problem, the utility model The bottom of the output shaft of the transmission device 2 is provided with a rotary connector 4 of the prior art. As shown in Figure 4, the rotary connector 4 is divided into a rotary part A and a fixed part B, and the rotary part A is a part (collector ring) that rotates with the sample disk 11 and the temperature detection sensor 6, wherein a1, b1, c1, d1 is the signal line terminal, a2, b2, c2, d2 are conductive materials, respectively connected to a1, b1, c1, d1; the fixed part B is the fixed outlet part (brush or carbon brush holder), a3, b3, c3 , d3 are conductive materials, connected to the fixed part B, respectively connected to different outlets a4, b4, c4, d4. In actual application, the rotating part A rotates, and the fixed part B does not move. The signals of a1, b1, c1, and d1 are transmitted from a4, b4, and c4, d4 export. According to this principle, the utility model connects the wires of the temperature detection sensor 6 to the signal wire ends a1, b1, c1, d1 of the rotary connector 4, and the rotary connector 4 passes through the fixed a4, b4, c4, d4 The terminal connects the temperature detection sensor 6 to the control system. The above-mentioned rotary connector 4 may be a slip ring, a carbon brush slip ring, a mercury slip ring, or the like.

As shown in Figure 1, in above-mentioned each embodiment, on the output shaft of transmission device 2, can also be provided with synchronous detection disc 12 and zero position switch 13 identically with prior art, the number of teeth on the synchronous detection disc 12 is the same as that on the sample disc 11. The working positions of the set sample tubes 10 are consistent and correspond to each other, so that the counting and monitoring of the sample tubes 10 can be performed by cooperating with the photoelectric sensor. The zero switch 13 can be matched with another photoelectric sensor, so that the control system can accurately position the sample tube 10, and the setting of the zero switch 13 can facilitate label management of each sample tube 10.

Claims (11)

1. rotary real-time temperature control sniffer, it comprises the gearing of a power source and connection thereof, it is characterized in that: the output shaft top at described gearing is provided with a runing rest, and the output shaft bottom of described gearing is provided with the rotary connector of a prior art; Described runing rest center is provided with a mounting hole, the circumferential edge of described runing rest is provided with at least one temperature detecting sensor, the lead of described temperature detecting sensor is connected the signal line end of described rotary connector rotating part, and passes through the terminals extension line of described rotary connector fixed part.

2. a kind of rotary real-time temperature control sniffer as claimed in claim 1 is characterized in that: described temperature detecting sensor is a kind of in thermistor, thermocouple, resistance temperature detector and the thermal diode.

3. a kind of rotary real-time temperature control sniffer as claimed in claim 1, it is characterized in that: the circumferential edge at described runing rest is provided with at least one real-time fluorescence means for correcting, and the material of making described real-time fluorescence means for correcting is for producing the visible spectrum fluorescence signal for the material that detects with light source irradiation.

4. a kind of rotary real-time temperature control sniffer as claimed in claim 2, it is characterized in that: the circumferential edge at described runing rest is provided with at least one real-time fluorescence means for correcting, and the material of making described real-time fluorescence means for correcting is for producing the visible spectrum fluorescence signal for the material that detects with light source irradiation.

5. as claim 1 or 2 or 3 or 4 described a kind of rotary real-time temperature control sniffers, it is characterized in that: described runing rest is a rotating disc.

6. as claim 1 or 2 or 3 or 4 described a kind of rotary real-time temperature control sniffers, it is characterized in that: described runing rest is one to have the support of at least two external parts.

7. as claim 1 or 2 or 3 or 4 described a kind of rotary real-time temperature control sniffers, it is characterized in that: the interval is symmetrical arranged two temperature detecting sensors and two real-time fluorescence means for correctings for 90 ° on described runing rest.

8. as claim 1 or 2 or 3 or 4 described a kind of rotary real-time temperature control sniffers, it is characterized in that: described rotary connector is to be a kind of in collector ring, carbon brush slip-ring and the mercury slip ring.

9. a kind of rotary real-time temperature control sniffer as claimed in claim 5 is characterized in that: described rotary connector is to be a kind of in collector ring, carbon brush slip-ring and the mercury slip ring.

10. a kind of rotary real-time temperature control sniffer as claimed in claim 6 is characterized in that: described rotary connector is to be a kind of in collector ring, carbon brush slip-ring and the mercury slip ring.

11. a kind of rotary real-time temperature control sniffer as claimed in claim 7 is characterized in that: described rotary connector is to be a kind of in collector ring, carbon brush slip-ring and the mercury slip ring.

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