Refrigerant sensor detection device and refrigerant sensor detection system

Abstract

The utility model relates to the technical field of detection equipment, and provides a refrigerant sensor detection device and a refrigerant sensor detection system. A refrigerant sensor detection device is used for detecting a refrigerant sensor and comprises a support, a detection box, a box body door, a flow guide wind wheel, a flow guide plate and a controller. The detection box is of a hollow structure and is arranged on the bracket; one side of the box body door is fixedly arranged on the support, the box body door is used for being attached to the detection box to form a closed detection space, and the detection space is used for containing a refrigerant sensor; an air inlet communicated with the outside is formed in the detection box; the flow guide wind wheel is connected with the flow guide plate, and the flow guide wind wheel and the flow guide plate are arranged in the detection box; the controller is arranged on the support and used for being in electric signal connection with the refrigerant sensor. According to the refrigerant sensor detection device, the detection precision of the refrigerant sensors can be improved, the response time of the refrigerant sensors can be obtained, the multiple refrigerant sensors can be detected at the same time in a gas introduction mode, and the detection efficiency is improved.

Description

Technical Field

[0001] This application relates to the technical field of detection equipment, and particularly relates to a refrigerant sensor detection device and a refrigerant sensor detection system. Background Art

[0002] In existing air-conditioning refrigeration systems, a certain amount of refrigerant usually needs to be injected. When there is no refrigerant leakage, the air-conditioning refrigeration system can operate and refrigerate normally. However, when the refrigerant leaks, the refrigeration effect of the air-conditioning refrigeration system will deteriorate, and there is also a risk of explosion caused by refrigerant leakage. For this reason, some air-conditioning manufacturers detect whether there is refrigerant leakage in the system by adding a refrigerant sensor to the air-conditioning refrigeration system.

[0003] In order to better reduce the explosion risk caused by refrigerant leakage, higher requirements are needed for the induction accuracy and quality of the refrigerant sensor. Therefore, there is an urgent need for a refrigerant sensor detection device for detecting the accuracy and quality of the refrigerant sensor, to detect the detection refrigerant sensor, improve the detection efficiency of the refrigerant sensor, and ensure the accuracy of the detection structure. Summary of the Utility Model

[0004] In view of the above deficiencies in the prior art, the purpose of this application is to provide a refrigerant sensor detection device, aiming to solve the problem in the prior art that the induction accuracy and quality of the refrigerant sensor cannot be detected quickly and efficiently.

[0005] The technical solution adopted by this application to solve the technical problem is as follows: On the one hand, this application provides a refrigerant sensor detection device for detecting a refrigerant sensor, including a bracket, a detection box, a box door, a guide air wheel, a guide plate, and a controller; the detection box is a hollow structure, and the detection box is arranged on the bracket; one side of the box door is fixedly arranged on the bracket, and the box door is used to fit with the detection box to form a sealed detection space for placing the refrigerant sensor; an air inlet communicating with the outside is arranged inside the detection box; the guide air wheel is connected to the guide plate, and both the guide air wheel and the guide plate are arranged inside the detection box; the controller is arranged on the bracket, and the controller is used to be signal-connected to the refrigerant sensor.

[0006] Optionally, a cavity door panel is arranged between the detection box and the box door; a plurality of sealing strips are arranged on the cavity door panel, and all the plurality of sealing strips are used to fit with the box door.

[0007] Optionally, an elastic connection ring is arranged between adjacent sealing strips, and adjacent sealing strips are connected by the elastic connection ring.

[0008] Optionally, the refrigerant sensor detection device further includes a reinforcing rib; the reinforcing rib is sleeved outside the detection box, and the reinforcing rib is arranged on the bracket.

[0009] Optionally, the refrigerant sensor detection device further includes a door lock; the door lock is composed of a clamping door hook and a clamping door buckle, and the clamping door hook is used for clamping and connecting with the clamping door buckle; the clamping door buckle is arranged on one side of the box body door away from the fixed connection between the box body door and the bracket; the clamping door buckle is arranged on the bracket and on one side of the detection box.

[0010] Optionally, the refrigerant sensor detection device further includes a plurality of placement trays, and the plurality of placement trays are all vertically arranged in parallel inside the detection box.

[0011] On the other hand, the present application also provides a refrigerant sensor detection system for detecting a refrigerant sensor, including a gas storage device, a mixing device, and a refrigerant sensor detection device connected in sequence; the refrigerant sensor detection device is the above-mentioned refrigerant sensor detection device; a first air outlet pipe is arranged between the gas storage device and the mixing device, and the gas storage device is connected to the mixing device through the first air outlet pipe; a first gas mixing pipe is arranged between the mixing device and the refrigerant sensor detection device, and the mixing device is connected to the refrigerant sensor detection device through the first gas mixing pipe; a gas regulating pipe is arranged between the gas storage device and the refrigerant sensor detection device, and the gas storage device is directly connected to the refrigerant sensor detection device through the gas regulating pipe.

[0012] Optionally, a gas mixing pump is arranged between the mixing device and the refrigerant sensor detection device; a second gas mixing pipe is arranged between the mixing device and the gas mixing pump, and the mixing device is connected to the gas mixing pump through the second gas mixing pipe; a third gas mixing pipe is arranged between the refrigerant sensor detection device and the gas mixing pump, and the refrigerant sensor detection device is connected to the gas mixing pump through the third gas mixing pipe.

[0013] Optionally, a third gas return pipe is arranged between the mixing device and the gas mixing pump, and the mixing device is connected to the gas mixing pump through the third gas return pipe; a first gas return pipe is arranged between the refrigerant sensor detection device and the gas mixing pump, and the refrigerant sensor detection device is connected to the gas mixing pump through the first gas return pipe.

[0014] Optionally, a first exhaust pipe is arranged on the refrigerant sensor detection device.

[0015] Compared with the prior art, a refrigerant sensor detection device provided by the present application includes a bracket, a detection box, a box door, a diversion air wheel, a diversion plate and a controller; the detection box can be opened and closed through the box door, and the refrigerant sensor can be placed in the detection box, and then the detection box is closed to make the inside of the detection box airtight; a quantitative detection gas can be accurately introduced into the detection box through the air inlet, and the concentration of the introduced gas can be accurately controlled. The diversion air wheel and the diversion plate can evenly distribute the gas for detection in the detection box, and then the controller measures the lowest alarm concentration of the refrigerant sensor, so as to improve the detection accuracy of the refrigerant sensor and obtain the response time of the refrigerant sensor; and the method of introducing gas can be used to detect several refrigerant sensors at the same time, improving the detection efficiency. Description of the Drawings

[0016] Figure 1 is a schematic diagram of the refrigerant sensor detection device provided in the present application;

[0017] Figure 2 is a schematic diagram of the device housing in the refrigerant sensor detection device provided in the present application;

[0018] Figure 3 is a front view of the refrigerant sensor detection device provided in the present application;

[0019] Figure 4 is a disassembled schematic diagram of the inside of the detection box in the refrigerant sensor detection device provided in the present application;

[0020] Figure 5 is a disassembled schematic diagram of the placement tray in the refrigerant sensor detection device provided in the present application;

[0021] Figure 6 is a schematic diagram of the cavity door panel in the refrigerant sensor detection device provided in the present application;

[0022] Figure 7 is a schematic diagram of the sliding part and the exhaust pump in the refrigerant sensor detection device provided in the present application;

[0023] Figure 8 is a schematic diagram of the door lock in the refrigerant sensor detection device provided in the present application;

[0024] Figure 9 is a schematic diagram of the refrigerant sensor detection system provided in the present application.

[0025] Description of the Reference Numerals:

[0026] The refrigerant sensor detection device includes:

[0027] 1. Device housing; 10. Detection shell plate; 11. Cabinet door; 111. Door lock; 1111. Engaging door hook; 1112. Engaging door buckle; 112. Rotating fixing part; 113. Mesh reinforcing rib; 12. Left detection shell plate; 13. Rear detection shell plate; 14. Right detection shell plate; 20. Shell cover; 21. Shell cover bottom plate; 211. Cooling fan; 201. Controller; 40. Bottom shell; 41. Front bottom plate; 42. Left bottom plate; 43. Rear bottom plate; 44. Right bottom plate; 3. Detection box; 30. Placing tray; 301. Fixing part; 302. Partition vertical plate; 303. Partition horizontal plate; 304. Spacer; 31. Detection bottom plate; 32. Left detection plate; 33. Rear detection plate; 34. Right detection plate; 35. Detection top plate; 4. Flow guiding wind wheel; 5. Flow guiding plate; 6. Cavity door panel; 61. Sealing strip; 62. Elastic connecting ring; 7. Sliding part; 71. Engaging plate; 72. Pulley; 73. Support foot; 8. Exhaust pump; 81. Mounting seat; 9. Side reinforcing rib; 91. Rear reinforcing rib;

[0028] The refrigerant sensor detection system includes:

[0029] 001. Refrigerant sensor detection device; 002. Gas storage device; 003. Mixing device; 004. Mixing standby device; 005. Gas mixing pump; 006. Gas mixing standby pump; 0021. Pressure reducing valve; a. Total outlet pipeline; a1. First outlet pipeline; a2. Air regulating pipeline; a3. Second outlet pipeline; b1. First gas mixing pipeline; b2. Second gas mixing pipeline; b3. Third gas mixing pipeline; c1. First return air pipeline; c2. Second return air pipeline; c3. Third return air pipeline; d1. First exhaust pipeline; d2. Second exhaust pipeline; d3. Third exhaust pipeline; e1. Fourth gas mixing pipeline; e2. Fifth gas mixing pipeline; e3. Sixth gas mixing pipeline; f1. Fourth return air pipeline; f2. Fifth return air pipeline; f3. Sixth return air pipeline. Specific embodiments

[0030] The embodiments of the present application will be described in detail below. The examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described by referring to the accompanying drawings are exemplary and are only used to explain the present application and should not be construed as a limitation to the present application.

[0031] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, unless otherwise specified, the meaning of "plural" is two or more.

[0032] In the description of the present application, it should be noted that unless otherwise clearly specified and defined, the terms "install", "connect", and "couple" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0033] It should also be noted that the diagrams provided in the following embodiments only illustrate the basic concept of the present application schematically, and only show the components related to the present application rather than being drawn according to the number, shape, and size of the components in actual implementation. The type, quantity, and proportion of each component in actual implementation may be arbitrarily changed, and the component layout type may also be more complex.

[0034] In addition, in the following description, specific details are provided to facilitate a thorough understanding of the embodiments. However, those skilled in the art will understand that the described aspects may be practiced without these specific details.

[0035] With reference to Figure 1, in the first embodiment of the present application, a refrigerant sensor detection device 001 is provided for detecting a refrigerant sensor, including a bracket 2, a detection box 3, a box door 11, a guide air wheel 4, a guide plate 5 and a controller 201; the detection box 3 is a hollow structure and is arranged on the bracket 2; one side of the box door 11 is fixedly arranged on the bracket 2, and the box door 11 is used to fit with the detection box 3 to form a sealed detection space for placing the refrigerant sensor; an air inlet communicating with the outside is arranged in the detection box 3; the guide air wheel 4 is connected to the guide plate 5, and both the guide air wheel 4 and the guide plate 5 are arranged inside the detection box 3; the controller 201 is arranged on the bracket 2, and the controller 201 is used for signal connection with the refrigerant sensor, specifically, it can be an electrical signal connection.

[0036] One side of the box door 11 is fixedly arranged on the bracket 2 and can be opened and closed by rotating around the side fixedly connected to the bracket 2 as an axis. When the side of the box door 11 far from the connection with the bracket 2 fits with the detection box 3, the box door 11 and the detection box 3 together form a sealed detection space. The guide air wheel 4 is connected to the guide plate 5, and the guide air wheel 4 blows the gas into the guide plate 5 for scattering and diverging, so as to achieve the effect of uniform gas distribution; there are several guide air wheels 4, which can be set according to actual needs, preferably two, which is beneficial to the uniform and stable flow of the air flow in the detection box 3; the guide plate 5 is preferably designed as a honeycomb hole partition plate, which can ensure that the air flow everywhere in the detection box 3 can flow uniformly and stably. The controller 201 is electrically connected to the refrigerant sensor, can detect the alarm signal sent by the refrigerant sensor when it reaches the alarm trigger condition preset for the refrigerant sensor, and record the alarm signal and the gas concentration information in the detection box 3 in real time, and at the same time perform the alarm operation.

[0037] The refrigerant sensor detection device 001 of this embodiment includes a bracket 2, a detection box 3, a box door 11, a guide air wheel 4, a guide plate 5 and a controller 201; by opening and closing the detection box 3 through the box door 11, the refrigerant sensor can be put into the detection box 3, and then the detection box 3 is closed to make it airtight inside; through the air inlet, a quantitative detection gas can be accurately introduced into the detection box 3, and the concentration of the introduced gas can be accurately controlled. The guide air wheel 4 and the guide plate 5 can evenly distribute the detection gas in the detection box 3, and then the controller 201 measures the lowest alarm concentration of the refrigerant sensor, so as to improve the detection accuracy of the refrigerant sensor; and the method of introducing gas can be used to detect several refrigerant sensors at the same time, improving the detection efficiency.

[0038] Combined with reference Figure 2 and Figure 3, on the bracket 2 of the refrigerant sensor detection device 001, there is a device housing 1. The device housing 1 includes a detection housing plate 10, a housing cover 20, and a bottom case 40. Among them, the detection housing plate 10 is located between the housing cover 20 and the bottom case 40, the housing cover 20 is located above the detection housing plate 10, and the bottom case 40 is located below the detection housing plate 10. The housing cover 20 includes a housing cover bottom plate 21, that is, the housing cover 20 and the housing cover bottom plate 21 together form a sealed space. Specifically, the controller 201 can be arranged on the housing cover 20, used to display or control values such as the temperature and gas concentration in the detection box 3, and is electrically connected to the refrigerant sensor placed in the detection box 3 at the same time. In order to prevent the controller 201 from being damaged due to overheating during operation, in some embodiments, a cooling fan 211 is arranged in the housing cover 20. Specifically, the cooling fan 211 is located on the housing cover bottom plate 21, and the air flow direction is towards the controller 201 side.

[0039] The detection housing plate 10 may include a box door 11, a left detection housing plate 12, a rear detection housing plate 13, and a right detection housing plate 14; the box door 11, the left detection housing plate 12, the rear detection housing plate 13, and the right detection housing plate 14 respectively form the front, left, rear, and right sides of the detection housing plate 10. The connection method between the left detection housing plate 12, the rear detection housing plate 13, and the right detection housing plate 14 is preferably welding to improve the overall structural stability of the refrigerant sensor detection device 001.

[0040] The bottom case 40 may include a front bottom plate 41, a left bottom plate 42, a rear bottom plate 43, and a right bottom plate 44; the front bottom plate 41, the left bottom plate 42, the rear bottom plate 43, and the right bottom plate 44 respectively form the front, left, rear, and right sides of the bottom case 40. The connection method between the front bottom plate 41, the left bottom plate 42, the rear bottom plate 43, and the right bottom plate 44 is preferably welding to improve the overall structural stability of the refrigerant sensor detection device 001.

[0041] Combined with reference Figure 4, in some embodiments, a sliding member 7 may be further provided at the bottom of the bottom case 40 of the refrigerant sensor detection device 001. The refrigerant sensor detection device 001 can be moved through the sliding member 7, facilitating the movement and transportation of the refrigerant sensor detection device 001. A pulley 72 is fixedly provided below the sliding member 7, and the sliding of the sliding member 7 is achieved through the pulley 72; a telescopic support foot 73 is also provided below the sliding member 7. After moving to a specific position, the support foot 73 can be stretched until the pulley 72 is not in contact with the ground, and the height of the support foot 73 is fixed, so that the refrigerant sensor detection device 001 is fixed at a specific position. A clamping plate 71 may also be provided above the sliding member 7, which is in clamping connection with the sliding member 7 and can also be fixedly connected to the bottom case 40, thereby fixedly connecting the sliding member 7 and the bottom case 40. Specifically, two sliding members 7 can be provided below the bottom case 40, and pulleys 72 and support feet 73 are provided below both ends of each sliding member 7; a clamping plate 71 is provided above each sliding member 7, and is fixedly connected to the bottom case 40 through the clamping plate 71.

[0042] With reference to Figure 7 , in some embodiments, the refrigerant sensor detection device 001 further includes an exhaust pump 8 and a mounting seat 81 for fixing the position of the exhaust pump 8. The exhaust pump 8 is fixedly connected to the mounting seat 81. The exhaust pump 8 is connected to the inside of the detection box 3 and is used to exhaust the gas in the detection box 3. Specifically, the mounting seat 81 can be provided inside the refrigerant sensor detection device 001, above the sliding member 7. A plurality of exhaust ports are provided on the detection box 3; the exhaust ports can be connected to the exhaust pump 8. The exhaust ports are used to exhaust the gas and impurities in the detection box 3 after the refrigerant sensor is placed, preventing the gas and impurities from affecting the detection result; the exhaust ports can also be used to exhaust the mixed gas subsequently.

[0043] The detection shell plate 10 of the detection box 3 may include a detection bottom plate 31, a detection left plate 32, a detection right plate 34, a detection rear plate 33 and a detection top plate 35. The detection bottom plate 31, the detection left plate 32, the detection right plate 34, the detection rear plate 33 and the detection top plate 35 are connected to each other to respectively form the bottom surface, the left surface, the right surface, the rear surface and the top surface of the detection box 3. At the same time, when the box door 11 is closed, it can form a sealed detection space with the detection bottom plate 31, the detection left plate 32, the detection right plate 34, the detection rear plate 33 and the detection top plate 35; the connection manner between the detection bottom plate 31, the detection left plate 32, the detection right plate 34, the detection rear plate 33 and the detection top plate 35 is preferably welding, which improves the overall structural stability of the detection box 3 and the sealing performance of the detection space, prevents gas leakage caused by poor sealing performance, and reduces the influence on the detection accuracy of the refrigerant sensor. Welding connection can also be adopted between the bottom case 40 and the detection shell plate 10, and between the detection shell plate 10 and the shell cover 20, improving the overall structural stability of the refrigerant sensor detection device 001.

[0044] With reference to Figure 6, in some embodiments, a cavity door panel 6 is provided between the detection box 3 and the box door 11; a plurality of sealing strips 61 are provided on the cavity door panel 6, and the plurality of sealing strips 61 are all used for fitting with the box door 11. Specifically, a cavity door panel 6 is provided between the front of the detection box 3 and the box door 11, and the cavity door panel 6 is fitted with the box door 11 to improve the sealing performance. To further improve the sealing performance, a plurality of sealing strips 61 are also provided on the cavity door panel 6. The sealing strips 61 are preferably made of elastic materials. After the box door 11 is pressed against the wall door panel, the sealing strips 61 can be closely fitted with the box door 11. The box door 11 can be composed of two steel panels and a mesh reinforcing rib 113. Specifically, the mesh reinforcing rib 113 is located between the steel panels and can improve the structural stability of the box door 11.

[0045] In some embodiments, an elastic connecting ring 62 is provided between adjacent sealing strips 61, and adjacent sealing strips 61 are connected by the elastic connecting ring 62. Specifically, the elastic connecting ring 62 is a convex structure with a curvature and can be combined with the sealing strip 61. When the box door 11 presses against the wall door panel, the sealing strip 61, the elastic connecting ring 62 and the box door 11 are closely fitted, improving the sealing performance of the detection box 3 in the closed state.

[0046] In some embodiments, the refrigerant sensor detection device 001 further includes a reinforcing rib; the reinforcing rib is sleeved outside the detection box 3, and the reinforcing rib is provided on the bracket 2. By means of the reinforcing rib, the structural stability of the detection box 3 can be improved, making the connection between the outer shells of the detection box 3 tight. Specifically, the reinforcing rib includes a side reinforcing rib 9 and a rear reinforcing rib 91. The side reinforcing rib 9 is sleeved outside the detection box 3, making the detection bottom plate 31, the detection left plate 32, the detection right plate 34 and the detection top plate 35 of the detection box 3 connected tightly; the rear reinforcing rib 91 is connected to the side reinforcing rib 9 and is located on one side of the detection rear plate 33, making the detection rear plate 33 of the detection box 3 connected tightly with other outer shell plates, that is, making the detection rear plate 33 connected tightly with the detection bottom plate 31, the detection left plate 32, the detection right plate 34 and the detection top plate 35.

[0047] In some embodiments, a plurality of rotary fixing members 112 are provided on the side of the box door 11 fixedly connected to the bracket 2, and the rotary fixing members 112 are used for rotating and opening and closing the box door 11 with the side fixedly connected to the bracket 2 as the axis.

[0048] Combined with reference Figure 8, in some embodiments, the refrigerant sensor detection device 001 further includes a door lock 111; the door lock 111 is composed of an engaging door hook 1111 and an engaging door buckle 1112, and the engaging door hook 1111 is used for engaging and connecting with the engaging door buckle 1112; the engaging door buckle 1112 is disposed on a side of the cabinet door 11 away from the fixed connection between the cabinet door 11 and the bracket 2; the engaging door buckle 1112 is disposed on the bracket 2 and is located on a side of the detection box 3. Specifically, there are several door locks 111, and the door locks 111, together with the sealing strip 61 and the elastic connection ring 62 on the cavity door panel 6, can make the cabinet door 11 and the cavity door panel 6 close tightly when the cabinet door 11 or the detection box 3 is closed, and the gap is filled and blocked by the sealing strip 61 and the elastic connection ring 62, thereby improving the sealing performance of the detection box 3 during operation and preventing gas leakage from affecting the detection process.

[0049] In some embodiments, the refrigerant sensor detection device 001 further includes a plurality of placement trays 30, and the plurality of placement trays 30 are vertically arranged in parallel inside the detection box 3. The placement trays 30 are used to place the refrigerant sensors to be detected. The plurality of placement trays 30 are arranged vertically in parallel, which can place a large number of refrigerant sensors for detection at the same time, improve the detection efficiency, and prevent the stacking of refrigerant sensors from affecting the detection results and improve the detection accuracy. Moreover, the setting of the multi-layer placement trays 30, in combination with the flow guide plate 5 and the flow guide wind wheel 4, can increase the contact area between the refrigerant sensors to be detected placed on the placement trays 30 and the air flow, so that they can fully contact with the stable and uniform air flow, which is convenient for improving the detection accuracy and the detection accuracy rate.

[0050] Combined with reference Figure 5 , a fixing member 301 may also be provided on the placement tray 30, and the fixing member 301 is used to fixedly arrange the placement tray 30 on the detection housing plate 10 of the detection box 3. A partition vertical plate 302, a partition horizontal plate 303, a spacer 304, etc. may also be provided on the placement tray 30; the partition vertical plate 302 is used to separate the refrigerant sensors adjacent up and down; the partition horizontal plate 303 is used to separate the refrigerant sensors adjacent left and right; the spacer 304 is used to further separate the adjacent refrigerant sensors. Specifically, the spacer 304 is a solid substance, such as an alloy, wood, a metal part, etc. By selecting the material, the solid substance can prevent the electrical signals between adjacent refrigerant sensors from affecting each other. The partition vertical plate 302, the partition horizontal plate 303, and the spacer 304 can be arranged on the placement tray 30 according to the size and electrical signal strength of the refrigerant sensors to be detected, so that more refrigerant sensors can be placed on the placement tray 30, and at the same time, the refrigerant sensors do not contact each other, preventing the electrical signals of the refrigerant sensors and the detection accuracy from being affected by mutual contact, too short spacing, etc.

[0051] Combined with reference Figure 9, in the second embodiment of the present application, a refrigerant sensor detection system is provided for detecting a refrigerant sensor, which includes a gas storage device 002, a mixing device 003, and a refrigerant sensor detection device 001 connected in sequence; the refrigerant sensor detection device 001 is the refrigerant sensor detection device 001 described in the first embodiment; a first gas outlet pipe a1 is provided between the gas storage device 002 and the mixing device 003, and the gas storage device 002 is connected to the mixing device 003 through the first gas outlet pipe a1; a first gas mixing pipe b1 is provided between the mixing device 003 and the refrigerant sensor detection device 001, and the mixing device 003 is connected to the refrigerant sensor detection device 001 through the first gas mixing pipe b1; an air regulating pipe a2 is provided between the gas storage device 002 and the refrigerant sensor detection device 001, and the gas storage device 002 is directly connected to the refrigerant sensor detection device 001 through the air regulating pipe a2.

[0052] The refrigerant sensor detection system of this embodiment includes a gas storage device 002, a mixing device 003, and a refrigerant sensor detection device 001, which can be used to detect a refrigerant sensor. The gas storage device 002 and the mixing device 003 mix gases and can control the concentration of the mixed gas, so as to introduce a mixed gas with a specific concentration into the refrigerant sensor detection device 001 to judge and evaluate the minimum gas concentration value, detection range, detection accuracy, detection qualification rate, etc. of the refrigerant sensor. And after introducing a mixed gas with a certain concentration, the concentration, content, etc. of the mixed gas introduced into the refrigerant sensor detection device 001 can also be adjusted by directly introducing the gas from the gas storage device 002 or introducing the gas mixed in the mixing device 003 again, further detecting the refrigerant sensor with multiple preset detection concentrations or detecting the entire detection range of the refrigerant sensor, improving the detection efficiency.

[0053] In some embodiments, a gas mixing pump 005 is provided between the mixing device 003 and the refrigerant sensor detection device 001; a second gas mixing pipe b2 is provided between the mixing device 003 and the gas mixing pump 005, and the mixing device 003 is connected to the gas mixing pump 005 through the second gas mixing pipe b2; a third gas mixing pipe b3 is provided between the refrigerant sensor detection device 001 and the gas mixing pump 005, and the refrigerant sensor detection device 001 is connected to the gas mixing pump 005 through the third gas mixing pipe b3. The combination of the gas mixing pump 005, the second gas mixing pipe b2, and the third gas mixing pipe b3 can provide a channel for quickly introducing the mixed gas from the mixing device 003 into the refrigerant sensor detection device 001, shortening the time for introducing the mixed gas and the detection cycle required, and improving the detection efficiency.

[0054] In some embodiments, a third return air pipeline c3 is provided between the mixing device 003 and the gas mixing pump 005, and the mixing device 003 is connected to the gas mixing pump 005 through the third return air pipeline c3; a first return air pipeline c1 is provided between the refrigerant sensor detection device 001 and the gas mixing pump 005, and the refrigerant sensor detection device 001 is connected to the gas mixing pump 005 through the first return air pipeline c1. The combination of the gas mixing pump 005, the first return air pipeline c1, and the third return air pipeline c3 provides a channel for recycling the excess mixed gas to the refrigerant sensor detection device 001, which can facilitate the adjustment of the amount of the mixed gas in the refrigerant sensor detection device 001, and can also return the excess mixed gas to the mixing device 003 for secondary utilization of the mixed gas, reducing the detection cost.

[0055] Specifically, a second return air pipeline c2 is further provided between the first return air pipeline c1 and the gas mixing pump 005, and a second exhaust pipeline d2 is provided at the connection between the first return air pipeline c1 and the second return air pipeline c2; that is, the mixed gas led out from the refrigerant sensor detection device 001 passes through the first return air pipeline c1, and can pass through the second return air pipeline c2 and be introduced into the third return air pipeline c3 by the gas mixing pump 005 and then returned to the mixing device 003, or directly exhausted through the second exhaust pipeline d2 at the connection between the first return air pipeline c1 and the second return air pipeline c2 for exhaust treatment.

[0056] In order to prevent the refrigerant sensor detection system from being difficult to use during the damage or maintenance of the mixing device 003, in some embodiments, the refrigerant sensor detection system further includes a number of spare mixing devices 003. The functions of the number of spare mixing devices 003 are the same as those of the mixing device 003, and the connection relationships with the gas storage device 002 and the refrigerant sensor detection device 001 are also the same as those of the mixing device 003.

[0057] Specifically, the refrigerant sensor detection system further includes a mixing spare device 004. A first air outlet pipeline a1 is provided between the gas storage device 002 and the mixing spare device 004, and the gas storage device 002 is connected to the mixing spare device 004 through a second air outlet pipeline a3; a fourth gas mixing pipeline e1 is provided between the mixing spare device 004 and the refrigerant sensor detection device 001, and the mixing spare device 004 is connected to the refrigerant sensor detection device 001 through the fourth gas mixing pipeline e1.

[0058] The refrigerant sensor detection system may further include a gas mixing standby pump 006. A fifth gas mixing pipeline e2 is provided between the gas mixing standby device 004 and the gas mixing standby pump 006, and the gas mixing standby device 004 is connected to the gas mixing standby pump 006 through the fifth gas mixing pipeline e2. A sixth gas mixing pipeline e3 is provided between the refrigerant sensor detection device 001 and the gas mixing standby pump 006, and the refrigerant sensor detection device 001 is connected to the gas mixing standby pump 006 through the sixth gas mixing pipeline e3.

[0059] A sixth gas return pipeline f3 may also be provided between the gas mixing standby device 004 and the gas mixing standby pump 006, and the gas mixing standby device 004 is connected to the gas mixing standby pump 006 through the sixth gas return pipeline f3. A fourth gas return pipeline f1 may also be provided between the refrigerant sensor detection device 001 and the gas mixing standby pump 006, and the refrigerant sensor detection device 001 is connected to the gas mixing standby pump 006 through the fourth gas return pipeline f1.

[0060] A fifth gas return pipeline f2 is further provided between the fourth gas return pipeline f1 and the gas mixing standby pump 006, and a third exhaust pipeline d3 is also provided at the connection of the fourth gas return pipeline f1 and the fifth gas return pipeline f2. That is, the mixed gas led out from the refrigerant sensor detection device 001 can pass through the fourth gas return pipeline f1, and then through the fifth gas return pipeline f2, and be introduced into the sixth gas return pipeline f3 by the gas mixing standby pump 006 and then returned to the mixing device 003, or directly discharged through the third exhaust pipeline d3 at the connection of the fourth gas return pipeline f1 and the fifth gas return pipeline f2 for exhaust treatment.

[0061] At the same time, the mixing device 003 can also be used as a preparation device for the mixed gas containing the first gas with a low concentration (referred to as the low-concentration gas), and the gas mixing standby device 004 can be used as a preparation device for the mixed gas containing the first gas with a high concentration (referred to as the high-concentration gas). By adjusting the amounts of the low-concentration gas and the high-concentration gas introduced into the refrigerant sensor detection device 001, the concentration of the first gas in the mixed gas can be adjusted, and then the detection can be carried out.

[0062] In some embodiments, a first exhaust pipeline d1 is further provided on the refrigerant sensor detection device 001, and the gas can be directly discharged through the first exhaust pipeline d1.

[0063] Among them, the pipelines connected to the refrigerant sensor detection device 001, specifically, including the first gas mixing pipeline b1, the third gas mixing pipeline b3, the first gas return pipeline c1, the gas adjustment pipeline a2, the first exhaust pipeline d1, the fourth gas mixing pipeline e1, the sixth gas mixing pipeline e3, and the fourth gas return pipeline f1, are all preferably connected to the detection box 3 in the refrigerant sensor detection device 001. More specifically, they can be connected to the air inlet in the detection box 3 to directly adjust the gas volume in the detection box 3. At the same time, sealing rings are provided at the connections of the pipelines and the detection box 3 to prevent gas leakage.

[0064] In some embodiments, the gas storage device 002 is connected to a first gas outlet pipe a1, a gas regulating pipe a2, and a second gas outlet pipe a3 through a main gas outlet pipe a. Switch valves are provided on the main gas outlet pipe a, the first gas outlet pipe a1, the gas regulating pipe a2, and the second gas outlet pipe a3 to control the opening and closing of the pipes for gas regulation. At the same time, a pressure reducing valve 0021 is also provided on the main gas outlet pipe a to facilitate stable gas regulation. Specifically, switch valves can be provided on all the pipes of the refrigerant sensor detection system to facilitate control of the opening and closing of the pipes. The switch valve can preferably be an electronic valve, which is connected to the controller 201 on the refrigerant sensor detection device 001. The gas volume and concentration of the mixed gas introduced into the refrigerant sensor detection device 001 can be directly controlled through the controller 201, and relevant data can be recorded, making the detection process controllable and clear.

[0065] At the same time, temperature sensors, gas sensors, pressure sensors and other devices can be provided on the gas storage device 002, the mixing device 003, and the refrigerant sensor detection device 001 to facilitate understanding of the temperature, pressure, gas, etc. inside the gas storage device 002, the mixing device 003, and the refrigerant sensor detection device 001. The temperature sensor, gas sensor, and pressure sensor can all be connected to the controller 201 on the refrigerant sensor detection device 001 to facilitate the display and adjustment of the temperature, pressure, and gas inside the gas storage device 002, the mixing device 003, and the refrigerant sensor detection device 001.

[0066] In the third embodiment of the present application, a method for detecting a refrigerant sensor is provided. The refrigerant sensor is placed in the above-mentioned refrigerant sensor detection system, and the refrigerant sensor is detected by using the detection method of the refrigerant sensor.

[0067] The detection method of the refrigerant sensor includes the following steps:

[0068] ST1: Place the refrigerant sensor in the refrigerant sensor detection device 001;

[0069] ST2: Open the gas storage device 002 and introduce a first gas into the mixing device 003; the first gas is mixed with a second gas in the mixing device 003 to obtain a mixed gas;

[0070] ST3: Introduce the mixed gas into the interior of the refrigerant sensor detection device 001 and observe whether the refrigerant sensor can operate normally;

[0071] ST4: Determine whether the alarm trigger condition of the preset refrigerant sensor is satisfied;

[0072] ST5: Determine whether the refrigerant sensor is qualified according to the alarm trigger condition;

[0073] ST6: The controller 201 performs an alarm operation.

[0074] Preferably, the first gas in the gas storage device 002 is a non-combustible gas, preferably carbon dioxide which is inexpensive and easily obtained in large quantities; the second gas in the mixing device 003 is a non-flammable gas, preferably air which is easily obtained.

[0075] The preset alarm trigger condition of the refrigerant sensor is preferably the concentration of the first gas in the mixed gas. Specifically, multiple alarm trigger conditions can be set. For example, the gas concentration of the first-level alarm trigger condition is Amol / L, and the gas concentration of the second-level alarm trigger condition is Bmol / L, where B > A. When the gas concentration in contact reaches Amol / L, a first-level alarm signal is issued. After receiving the first-level alarm signal, the controller 201 performs a first-level alarm operation; when the gas concentration in contact reaches Bmol / L, a second-level alarm signal is issued. After receiving the second-level alarm signal, the controller 201 performs a second-level alarm operation; the alarm operation can be lighting a lamp, a warning bell, etc., and different alarm operations correspond to different lamp colors or different bell sounds.

[0076] The steps to determine whether the refrigerant sensor is qualified are as follows: By recording the gas concentration of the mixed gas when the alarm condition is triggered, after converting the concentration of the first gas in the gas by a certain ratio, compare it with the detection range of the refrigerant sensor. If the absolute value of the error value ≤ 5%, it is qualified, otherwise it is unqualified; at the same time, the accuracy of the refrigerant sensor can also be determined according to the accuracy of the converted gas concentration, and the sensing parameters such as the detectable range and response time of the refrigerant sensor can also be detected.

[0077] Step ST2 may further include: opening the gas storage device 002 and introducing the first gas into the mixed standby device 004; the first gas is mixed with the second gas in the mixed standby device 004 to obtain a mixed gas.

[0078] Step ST3 may further include: introducing the mixed gas in the mixed standby device 004 into the interior of the refrigerant sensor detection device 001 to observe whether the refrigerant sensor can operate normally. Step ST3 may further include: introducing the mixed gas in the mixing device 003 and the mixed gas in the mixed standby device 004 into the interior of the refrigerant sensor detection device 001 according to a certain ratio to observe whether the refrigerant sensor can operate normally.

[0079] The detection method of the refrigerant sensor in this embodiment can be directly used in the detection process of the refrigerant sensor by the refrigerant sensor detection system in the second embodiment. Place the refrigerant sensor to be detected inside the detection box 3 of the refrigerant sensor detection device 001. Then, the gas storage device 002 introduces the first gas into the mixing device 003, mixes it with the second gas in the mixing device 003 to obtain a mixed gas, and then introduces the mixed gas into the detection box 3 of the refrigerant sensor detection device 001. When the gas concentration reaches the set gas concentration of the refrigerant sensor, the refrigerant sensor emits an alarm signal, which is received by the controller 201 on the refrigerant sensor detection device 001. At the same time, the concentrations of the introduced first gas, second gas, and mixed gas are recorded, and the detection range of the refrigerant sensor is compared to judge the accuracy, minimum detection concentration value, qualification rate, etc. of the refrigerant sensor.

[0080] In summary, the present application provides a refrigerant sensor detection device, including a bracket, a detection box, a box door, a guiding air wheel, a guiding plate, and a controller. The detection box can be opened and closed through the box door, and the refrigerant sensor can be placed in the detection box, and then the detection box is closed to make it airtight inside. Through the air inlet, a quantitative detection gas can be accurately introduced into the detection box, and the concentration of the introduced gas can be accurately controlled. The guiding air wheel and the guiding plate can evenly distribute the gas for detection in the detection box. Then, the controller measures the minimum alarm concentration of the refrigerant sensor, thereby improving the detection accuracy of the refrigerant sensor and obtaining the response time of the refrigerant sensor. And by using the method of introducing gas, several refrigerant sensors can be detected simultaneously, improving the detection efficiency.

[0081] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them. Although the present application has been described in detail with reference to the foregoing examples, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or perform equivalent replacements for some of the technical features. And these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the examples of the present application.

Claims

1. A refrigerant sensor detection device for detecting a refrigerant sensor, characterized in that, It includes a bracket, a detection box, a box door, a diversion air wheel, a diversion plate and a controller; the detection box is of a hollow structure and is arranged on the bracket; one side of the box door is fixedly arranged on the bracket, and the box door is used to fit with the detection box to form a sealed detection space for placing a refrigerant sensor; an air inlet communicating with the outside is arranged inside the detection box; the diversion air wheel is connected to the diversion plate, and both the diversion air wheel and the diversion plate are arranged inside the detection box; the controller is arranged on the bracket and is used to be signal-connected to the refrigerant sensor.

2. The refrigerant sensor detection device according to claim 1, characterized in that A cavity door plate is arranged between the detection box and the box door; a plurality of sealing strips are arranged on the cavity door plate, and all the plurality of sealing strips are used to fit with the box door.

3. The refrigerant sensor detection device according to claim 2, wherein An elastic connecting ring is arranged between adjacent sealing strips, and adjacent sealing strips are connected by the elastic connecting ring.

4. The refrigerant sensor detection device according to claim 3, wherein, The refrigerant sensor detection device further includes a reinforcing rib; the reinforcing rib is sleeved outside the detection box and is arranged on the bracket.

5. The refrigerant sensor detection device according to claim 1, characterized in that, The refrigerant sensor detection device further includes a door lock; the door lock is composed of a clamping door hook and a clamping door buckle, and the clamping door hook is used to be clamped and connected with the clamping door buckle; the clamping door buckle is arranged on one side of the box door away from the fixed connection between the box door and the bracket; the clamping door buckle is arranged on the bracket and is located on one side of the detection box.

6. The refrigerant sensor detection device according to claim 1, characterized in that, The refrigerant sensor detection device further includes a plurality of placement trays, and all the plurality of placement trays are arranged vertically and side by side inside the detection box.

7. A refrigerant sensor detection system for detecting a refrigerant sensor, characterized in that, It includes a gas storage device, a mixing device and a refrigerant sensor detection device connected in sequence; the refrigerant sensor detection device is the refrigerant sensor detection device according to any one of claims 1-5; a first air outlet pipe is arranged between the gas storage device and the mixing device, and the gas storage device is connected to the mixing device through the first air outlet pipe; a first gas mixing pipe is arranged between the mixing device and the refrigerant sensor detection device, and the mixing device is connected to the refrigerant sensor detection device through the first gas mixing pipe; an air regulating pipe is arranged between the gas storage device and the refrigerant sensor detection device, and the gas storage device is directly connected to the refrigerant sensor detection device through the air regulating pipe.

8. The refrigerant sensor detection system according to claim 7, characterized in that, A gas mixing pump is arranged between the mixing device and the refrigerant sensor detection device; a second gas mixing pipe is arranged between the mixing device and the gas mixing pump, and the mixing device is connected to the gas mixing pump through the second gas mixing pipe; a third gas mixing pipe is arranged between the refrigerant sensor detection device and the gas mixing pump, and the refrigerant sensor detection device is connected to the gas mixing pump through the third gas mixing pipe.

9. The refrigerant sensor detection system according to claim 8, wherein, A third gas return pipe is arranged between the mixing device and the gas mixing pump, and the mixing device is connected to the gas mixing pump through the third gas return pipe; a first gas return pipe is arranged between the refrigerant sensor detection device and the gas mixing pump, and the refrigerant sensor detection device is connected to the gas mixing pump through the first gas return pipe.

10. The refrigerant sensor detection system according to claim 8, characterized in that, A first exhaust duct is provided on the refrigerant sensor detection device.

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