CN217878598U - Digestion and color comparison integrated device - Google Patents

Abstract

The utility model discloses a clear up integrative device of color comparison, including body, heater strip and color comparison device, the body is used for the holding sample, is provided with import and export. The heater strip sets up in the surface of body, can heat to the internal sample of geminate transistors through the heater strip. The colorimetric device is arranged on the outer side of the tube body and used for emitting light to the sample in the tube body and detecting the light after the light penetrates through the sample in the tube body so as to obtain a colorimetric result. The sample can react in the body, also can carry out the color comparison in the body and detect, consequently makes the sample react and the color comparison detects and need not shift the sample, has reduced operating procedure, still helps improving and detects the accuracy.

Description

Digestion and color comparison integrated device

Technical Field

The utility model relates to an environmental engineering field especially relates to a clear up integrative device of color comparison.

Background

The national/industrial standard detection methods for many water quality parameters are spectrophotometry, such as ammonium molybdate spectrophotometry for determination of total phosphorus in water (GB 11893-89), salicylic acid spectrophotometry for determination of ammonia nitrogen in water (HJ 536-2009), rapid digestion spectrophotometry for determination of chemical oxygen demand in water (HJ/T399-2007), and the like.

In the prior art, two experimental steps need to use two instruments, for example, the sample needs to be heated or digested when the sample is subjected to chemical reaction, so that the two experimental steps need to use a heating digestion instrument and a spectrophotometer respectively, and after the sample is subjected to a series of chemical reaction in the heating digestion instrument, the sample reaction liquid is transferred to the spectrophotometer. For another example, an existing analyzer includes a heating digestion module and a colorimetric module, where a sample undergoes a chemical reaction in the heating digestion module, and after color development is stable, a reaction solution of the sample is transferred to the colorimetric module for detection.

Therefore, the existing spectrophotometry needs to transfer the sample during actual operation, which not only makes the operation steps complicated, but also makes the sample reaction solution generate errors, for example, impurities are easily introduced during the transfer process or the detection accuracy is influenced by environmental factors such as temperature.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a clear up integrative device of color comparison makes the sample react and the color comparison detects and need not shift the sample, has reduced operating procedure, still helps improving the detection accuracy.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a clear up integrative device of color comparison, includes body, heater strip and color comparison device, the body is used for the holding sample, is provided with import and export, the heater strip set up in the surface of body, the color comparison device set up in the outside of body, be used for to sample emergent light and detection in the body light sees through light behind the sample in the body is in order to obtain the color comparison result.

Preferably, the outer surface of the pipe body is provided with a fixing portion for fixing the heating wire.

Preferably, the fixing part includes a protrusion provided on an outer surface of the pipe body.

Preferably, still including set up in the connector in the outside of body, the connector is provided with binding post, binding post be used for with the heater strip is connected.

Preferably, the connector is provided with at least two columns of the connection terminals, one column of the at least two columns of the connection terminals is used for being connected with the heating wire, and the other column of the connection terminals is used for being connected with the control circuit board.

Preferably, the connector fixing seat is arranged on the outer side of the pipe body and used for fixing the connector, and a part of the connector fixing seat corresponding to the pipe body protrudes outwards, so that a space is formed between the part and the pipe body.

Preferably, the tube body is divided into at least two sections, and the radial size of each section of the tube body from top to bottom is reduced in sequence.

Preferably, the colorimetric device comprises a light source device and a detection device which are respectively positioned on two opposite sides of the tube body, and the optical axis of the light source device and the optical axis of the detection device both pass through the circle center of the cross section of the tube body.

Preferably, still including being used for supporting and fixing the cavity of body, the body the colorimetric device set up in the cavity.

Preferably, a window for viewing the inside of the cavity is provided on a side surface of the cavity.

According to the above technical scheme, the utility model provides a clear up integrative device of color comparison, including body, heater strip and color comparison device, the body is used for the holding sample, is provided with import and export. The heater strip sets up in the surface of body, can heat the internal sample of pipe through the heater strip. The colorimetric device is arranged on the outer side of the tube body and used for emitting light to the sample in the tube body and detecting the light after the light penetrates through the sample in the tube body so as to obtain a colorimetric result. The sample can react in the body, also can carry out the colorimetric detection in the body, consequently can make the sample react and the colorimetric detection need not shift the sample, has reduced operating procedure, still helps improving and detects the accuracy.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic side-back view of an integrated digestion and colorimetric device provided by an embodiment of the present invention;

FIG. 2 is a front view of the digestion-colorimetric integrated device shown in FIG. 1;

FIG. 3 is a front sectional view of the integrated digestion and colorimetry apparatus shown in FIG. 1.

Reference numerals in the drawings of the specification include:

the temperature sensor comprises a pipe body-100, a bulge-101, a connector-102, a connector fixing seat-103, a cavity-104 and a temperature sensing device-105;

the device comprises a light source device-106, a first fixed cylinder-107, a detection device-108, a second fixed cylinder-109, a locking nut-110 and a fixed seat-111;

a first high-temperature high-pressure valve-112, a liquid inlet-113, a second high-temperature high-pressure valve-114, an overflow outlet-115, an O-shaped ring-116 and a window-117.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

This embodiment provides a clear up integrative device of color comparison, including body, heater strip and color comparison device, the body is used for the holding sample, is provided with import and export, the heater strip set up in the surface of body, the color comparison device set up in the outside of body, be used for to sample emergent light and detection in the body light sees through light behind the sample in the body is in order to obtain the color comparison result.

The sample in the tube body can be heated by the heating wire, so that the sample reacts in the tube body. The colorimetric detection of the sample in the tube body can be carried out by the colorimetric device. Use the integrative device of digestion color comparison of this embodiment then, the sample can react in the body, also can carry out the color comparison in the body and detect, consequently can make the sample react and the color comparison detects and need not shift the sample, has reduced the operating procedure, still helps improving the detection accuracy.

In this embodiment, do not do the restriction to shape, the material of body, can set up according to the application demand in practical application, the body can be but not limited to cylindrically. The preferable smooth interior surface of body possesses high temperature and high pressure resistant, strong acid and alkali resistant, the good characteristics of light transmissivity, and the body can be but not limited to quartz glass body. The positions of the inlet and the outlet of the pipe body are not limited, and the pipe body can be arranged according to application requirements in practical application.

The heater strip sets up in the surface of body, and the sample in the heat process body conduction to body that the heater strip produced. In this embodiment, do not restrict the mode of setting of heater strip at the external surface of body, preferably, the heater strip can twine in the external surface of body, makes can follow the not equidirectional heat conduction of body, not only can heat evenly and heat faster. In this embodiment, the material of the heating wire is not limited.

Preferably, the outer surface of the pipe body is provided with a fixing portion for fixing the heater wire, and the heater wire is more stably attached to the outer surface of the pipe body by the fixing portion. In this embodiment, the specific structure of the fixing portion is not limited, and optionally, the fixing portion may be a protrusion disposed on the outer surface of the pipe body, and the heating wire may be clamped to one side of the protrusion. Referring to fig. 1 to 3, fig. 1 is a schematic side-rear view of an integrated digestion and colorimetric device provided in this embodiment, fig. 2 is a front view of the integrated digestion and colorimetric device shown in fig. 1, and fig. 3 is a sectional front view of the integrated digestion and colorimetric device shown in fig. 1. As shown in the drawings, the tube 100 is vertically installed, and a row of protrusions 101 may be provided on each of the front and rear surfaces of the tube 100.

Preferably, the apparatus may further include a connector provided at an outer side of the pipe body 100, the connector being provided with a connection terminal for connecting with the heating wire. The connector can be connected with a power supply, and power can be supplied to the heating wire through the connector. Preferably, the connector is provided with at least two rows of the connecting terminals, one row of the connecting terminals is used for being connected with the heating wire, and the other row of the connecting terminals is used for being connected with the control circuit board. The control circuit board is used for controlling the connection or disconnection with the heating wire so as to control the connection or disconnection of power supply to the heating wire, and the connection of the heating wire is plugged nearby by using the connector, so that the maintenance and the replacement are convenient.

Preferably, the device may further include a connector holder disposed at an outer side of the pipe body 100 for fixing the connector. Preferably, the portion of the connector holder corresponding to the pipe body 100 protrudes outward, so that the portion and the pipe body 100 have a space therebetween, a certain distance is kept between the portion and the pipe body 100, heat radiation is reduced, and heat dissipation inside the cavity is facilitated. Referring to fig. 1, the connector 102 is disposed on the back of the tube 100 and fixed to the connector holder 103. The four corners of the connector fixing seat 103 are fixed on the cavity 104 and screwed down by screws, so that the connector fixing seat is convenient to disassemble and assemble. Optionally, the connector fixing seat 103 may be made of a metal plate paint, and the connector 102 may be made of a high temperature resistant material, such as a high temperature resistant plastic material.

Preferably, the device may further include a temperature sensing device, wherein the temperature sensing device is disposed in the embedded port of the tube 100, and is configured to detect the temperature of the sample in the tube 100, so as to realize the temperature control function. The height of embedded mouth can be less than the light path of the emergent light in colorimetric device to body 100 to do not disturb colorimetric detection light path and design as the principle. Referring to fig. 1, an embedded opening is disposed at a lower position of the back surface of the tube 100, and the temperature sensing device 105 is disposed in the embedded opening.

The temperature sensing device 105 may be connected to a terminal of the connector 102 to enable power to be supplied to the temperature sensing device 105. Preferably, the heating wire (not shown) and the temperature sensing device 105 may be connected to terminals of the connector 102 in the same row, and the other row of terminals is connected to the control circuit board. The design enables the temperature sensing device 105 to be plugged and unplugged with the heating wire nearby, and maintenance and replacement are facilitated. An exemplary 5.08 connector may be used, with 12 sockets, 6 sockets in each of the left and right rows, one row for inserting the temperature sensing device 105 and heater wire, and another row for inserting pigtail wires for connection to the control circuit board. The device adopts the connector, so that the separation and disassembly of the heating wire and the wiring of the temperature sensing device 105 are facilitated, the disassembly of the pipe body 100 is further facilitated, and the maintenance, repair and replacement are facilitated; and the heating wire is shorter and closer in wiring and higher in safety.

Optionally, the colorimetric device can include and be located respectively the light source device and the detection device of the relative both sides of body 100, the light source device to sample emergent light in the body 100, light sees through light behind the sample is collected by the detection device in the body 100, can obtain the colorimetric result according to the intensity that detection device detected light. In this embodiment, the type of the light source device and the wavelength of the emergent light are not limited, and the emergent light with different characteristic wavelengths can be selected for different substances to be detected. The light source device can be an LED lamp, but is not limited to the LED lamp, and the light source device is preferably small in size, such as an LED lamp with the diameter of 5 mm. The type and structure of the detection device are not limited, and a silicon photocell can be used.

Referring to fig. 3, the light source device 106 and the detecting device 108 are disposed outside and opposite to the tube 100. Preferably, the optical axis of the light source device 106 and the optical axis of the detection device 108 both pass through the center of the cross section of the tube 100, so that the light source device 106 and the detection device 108 are on the same horizontal line to form a three-point one-line detection optical path. Preferably, as shown in fig. 3 and 2, the light source device 106 on the left side is installed in the first fixing cylinder 107 and is pressed by the locking nut 110, and the design is convenient for being detached from the outside independently, and is convenient for maintenance and replacement of the light source. The detection device 108 on the right side is arranged in the second fixing cylinder 109, is tightly pressed by the locking nut 110 and is matched and fixed by the fixing seat 111, and the design is convenient for independent disassembly from the outside and is beneficial to maintenance and replacement of the detection device.

Preferably, the heating wire is kept away from the light source device 106 and the detection device 108 to avoid blocking the detection light path, for example, the heating wire may be spaced from the light source device 106 or the detection device 108 by a height difference of 5-10 mm.

Preferably, the device also comprises a first high-temperature high-pressure valve and a second high-temperature high-pressure valve which have the characteristics of high-temperature and high-pressure resistance and strong acid and strong alkali resistance. As shown in fig. 1 and 3, the first high temperature and high pressure valve 112 is connected to a lower port (i.e., an inlet) of the pipe body 100, and one communication port of the first high temperature and high pressure valve 112 faces upward to communicate with the pipe body 100, and the other communication port faces outward to connect to a pipeline, which is referred to as a liquid inlet 113. The tail of the first hpc 112 is installed toward the back of the device, and the liquid inlet 113 can be designed on four surfaces except the upper surface and the back surface, without affecting the function. The digestion and colorimetric integrated device is not designed on the front side in consideration of aesthetic appearance, is not designed on the lower side in consideration of convenience in assembly and disassembly, and can be arranged on the left side and the right side, and the digestion and colorimetric integrated device is designed on the left side of the front view (namely the right side of the side-back structure schematic diagram) in the drawing.

The second high temperature and high pressure valve 114 has one communication port facing downward and communicating with the pipe body 100, and the other communication port facing outward and communicating with the external pipeline, which is called an overflow outlet 115. The valve body tail part of the second high-temperature and high-pressure valve 114 is installed towards the back surface of the device, and the overflow outlet 115 can be designed on the other four surfaces except the lower surface and the back surface, so that the function of the overflow outlet is not influenced. The digestion and colorimetric integrated device is not designed on the front side in consideration of aesthetic appearance, is not designed on the upper side in consideration of convenience in assembly and disassembly, and can be arranged on the left side and the right side, and the digestion and colorimetric integrated device is designed on the left side of the front view (namely the right side of the side-back structure schematic diagram) in the drawing.

In view of the installation consistency of the upper and lower hpvs, it is preferred that the overflow outlet 115 and the liquid inlet 113 are on the same side of the chamber 104, either left or right. There is O type circle 116 between first high temperature high pressure valve 112 and body 100, has O type circle 116 between second high temperature high pressure valve 114 and the body 100, goes up O type circle 116 diameter unanimous with the bore of body upper port, and O type circle 116 diameter is unanimous with the bore of body lower port down, and O type circle possesses the characteristics of high temperature and high pressure resistant, strong acid and alkali resistant, plays the effect of sealing connection body and high temperature high pressure valve, guarantees to clear up the gas tightness of pipe. The device controls the communication port through the upper high-temperature high-pressure valve and the lower high-temperature high-pressure valve, opens or closes a connecting channel between the inside and the outside of the pipe body, and switches on and off gas and liquid.

Preferably, the tube 100 can be divided into at least two segments, and the radial dimension of each segment of the tube 100 decreases from top to bottom. Referring to fig. 1 and 3, the tube 100 is divided into three segments, and the radial dimensions of the segments decrease sequentially from top to bottom, that is, the diameter of the tube 100 is reduced twice, and the diameter is reduced into two segments rather than one segment for the strength of the tube 100. In addition, the diameter of the lower port of the tube body 100 is as small as possible, which is beneficial to draining liquid and reducing the residue on the bottom surface.

Preferably, the device may further comprise a cavity for supporting and fixing the tube 100, the tube, the colorimetric device being disposed within the cavity. Referring to fig. 1 to 3, the chamber 104 is an integral support for supporting and fixing the internal components of the integrated digestion-colorimetric apparatus. The device can also be fixed on the instrument back plate through the cavity 104, the fixing mode can adopt threads and screws to be screwed, and the fixing holes are arranged at four corners of the cavity 104. Correspondingly, the position of the cavity 104 corresponding to the overflow outlet 115 and the position corresponding to the liquid inlet 113 may be provided with openings, the aperture of which is slightly larger than the connector, so that the connector can be conveniently disassembled and assembled. Preferably, the cavity 104 is made of metal plate paint, and has certain strength and acid and alkali corrosion resistance.

Optionally, a window for observing the inside of the cavity 104 is disposed on a side surface of the cavity 104. The shape of the window may be, but is not limited to, an elongated shape. Referring to fig. 2, the window 117 is disposed on the front surface of the cavity 104 and is elongated. The lens disposed in the window 117 may be, but is not limited to, plastic, quartz glass, or plexiglass.

The integrative device of color comparison of clearing up of this embodiment can make the sample react and the color comparison detects and need not shift the sample, can simplify the flow, reduces system error, reduces the washing liquid quantity, shortens and makes a kind the time. Compared with the design that the digestion module and the colorimetric module independently exist, the digestion and colorimetric integrated device saves raw materials and correspondingly reduces the installation cost.

It is right above the utility model provides a clear up integrative device of color comparison and introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.

Claims (10)

1. The utility model provides a clear up integrative device of color comparison, its characterized in that, includes body, heater strip and color comparison device, the body is used for the holding sample, is provided with import and export, the heater strip set up in the surface of body, the color comparison device set up in the outside of body, be used for to sample emergent light and detection in the body light sees through light behind the sample in the body is in order to obtain the color comparison result.

2. The digestion-colorimetric integrated device according to claim 1, wherein a fixing part for fixing the heating wire is provided on an outer surface of the pipe body.

3. The digestion-colorimetric integrated device according to claim 2, wherein the fixing portion comprises a protrusion provided on an outer surface of the tube body.

4. The digestion and colorimetric integrated device according to claim 1, further comprising a connector arranged on the outer side of the pipe body, wherein the connector is provided with a connecting terminal, and the connecting terminal is used for being connected with the heating wire.

5. The digestion-colorimetric integrated device according to claim 4, wherein the connector is provided with at least two columns of the connecting terminals, one column of the connecting terminals of the at least two columns of the connecting terminals is used for being connected with the heating wire, and the other column of the connecting terminals is used for being connected with a control circuit board.

6. The digestion and colorimetric integrated device according to claim 4, further comprising a connector fixing seat arranged on the outer side of the tube body and used for fixing the connector, wherein a part of the connector fixing seat corresponding to the tube body protrudes outwards, so that a space is formed between the part and the tube body.

7. The digestion-colorimetric integrated device according to claim 1, wherein the tube body is divided into at least two sections, and the radial dimension of each section of the tube body is reduced sequentially from top to bottom.

8. The digestion and colorimetric integrated device according to claim 1, wherein the colorimetric device comprises a light source device and a detection device which are respectively positioned at two opposite sides of the tube body, and an optical axis of the light source device and an optical axis of the detection device both pass through the circle center of the cross section of the tube body.

9. The digestion and colorimetric integrated device according to any one of claims 1 to 8, further comprising a cavity for supporting and fixing the tube, wherein the tube and the colorimetric device are disposed in the cavity.

10. The digestion and colorimetric integrated device according to claim 9, wherein a window for observing the inside of the cavity is provided on a side of the cavity.

Images