JPH0721497B2 - Urine automatic test equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention is applied to, for example, a domestic toilet bowl to produce sugar, protein, occult blood or urobilin in urine (produced by reducing bilirubin by intestinal bacteria. Urine automatic test device for measuring bile pigment).

(B) Conventional technology Conventionally, as a biochemical measurement device (automatic urine test device) for measuring urine sugar, etc., an easy-to-use urine sugar meter for home use and a urine automatic test device for group examinations used in hospitals, etc. There is.

FIG. 6 is a perspective view showing a conventional urine sugar meter (biochemical measuring device) used for home use.

This urinary sugar meter has a control unit such as a CPU (central processing unit) and a reflection sensor (inspection unit) built in the inside of the instrument main body 7, and a receiving / light emitting unit 71 of the reflection sensor at one end of the instrument main body 7. The holder receiving portion 72 is provided so that the stick holder 73 is detachably slidably fitted to the holder receiving portion 72. This stick holder
73 is provided with a window hole 74 corresponding to the light receiving / emitting surface 71, and a stick cover 75 is spring-loaded corresponding to the window hole 74,
By opening and closing the stick cover 75 against the spring,
A test paper stick (a plurality of test papers impregnated with a reagent attached to a resin sheet) 76 is sandwiched.

When measuring urine sugar, the person to be inspected impregnates the test paper surface 77 of the test paper stick 76 with urine, and after a predetermined time elapses, the test paper stick 76 is inserted and arranged at a position corresponding to the inspection unit.
That is, open the stick cover 75 and open the cover 75 and the window hole 74.
The test paper stick 76 is inserted between the two, the test paper surface 77 is positioned corresponding to the light receiving / light emitting surface 71, and the locking claw 78 of the cover 75 is locked to the engagement receiving portion 79 of the holder receiving portion 72. Then, light is emitted from the light emitting element of the inspection unit onto the test paper surface 77, the reflected light is received by the light receiving element, and the urine sugar value is detected based on the reaction light amount by the color reaction.

FIG. 7 is a perspective view showing an automatic urine inspection apparatus for mass examination, which the applicant of the present application has previously proposed.

This automatic urine test apparatus stores a plurality of test paper sticks 83a, and a test paper storage cassette 83 having a feeding mechanism 82 for feeding the sticks one by one to an inspection base plate 81, and a urine collecting pipe.
A urine collecting means 84 in which the base end of 84a is communicated with the urine collection port 85a of the toilet bowl 85, and the urine dropping part 84b at the tip is fixed to the movable plate 86 that is movable forward and backward with the moving mechanism 86a, and is fixed to this moving plate 86. The urine test means (reflection sensor) 87 that moves forward and backward with respect to the test base plate 81
And a cleaning means 88 in which a water faucet 88a is connected to a branch 84c of the urine collecting pipe 84a via an electromagnetic valve 88b.

When measuring urinary sugar, the person to be inspected should take a urine sampling port (toilet) 85
Urinate to a. For urine, the urine dropping portion 84b is supplied by the liquid feed pump 84d.
Pumped up to. At this time, the test paper stick 83a is conveyed from the cassette 83 to the inspection base plate 81, and the blank value on the test paper surface is optically read by the reflection sensor 87 located above. Then, after the moving plate 86 moves and a predetermined amount of urine is dropped from the urine dropping portion 84b located on the test paper surface, the moving plate 86
The sensor returns to its original position and is positioned on the test paper surface.
The color reaction light amount is optically read by 87, and the urine sugar value is detected in comparison with the blank value. In this state, the urine dropping part 84b corresponds to the waste liquid part of the inspection base plate 81, and the remaining urine is drained and drained from the waste liquid tray 89a to the waste liquid pipe (toilet) 89b by the excess urine removal pipe 89. Furthermore, the test paper stick 83a that has completed the measurement is returned when the feeding mechanism 82 returns,
Dropped into a used box. Then, at the time when one measurement is completed, the electromagnetic valve 88b is opened, and the tap water is caused to flow into the urine collecting pipe 84a by the operation of the pump 84d to be washed.

(C) Problems to be Solved by the Invention In the above-mentioned household urinary sugar meter, the subject has to impregnate the test strip stick with urine, and the test strip stick impregnated with urine is inserted into the measuring section. There was a disadvantage that the work to remove was unclean, and the work to wash the inspection part with urine adhered was troublesome. On the other hand, the urine automatic inspection device eliminates the dirty and troublesome work of the urine sugar meter, but requires a pump for pumping the wash water. In addition, the automatic feeding of test strips and the automatic discarding mechanism are complicated and prone to failure, and the equipment is large and expensive, and it requires a large amount of work to equip a domestic toilet bowl. There was a disadvantage.

It is an object of the present invention to solve the above problems and to provide an automatic urine inspection device having a simple structure that can be easily installed in, for example, a domestic toilet bowl and can perform a clean automatic urine inspection.

(D) Means and Actions for Solving Problems In order to achieve this object, the urine automatic examination device of the present invention has the following configuration.

The urine automatic inspection apparatus includes a test-paper stick insertion part, a urine test means that can be moved back and forth corresponding to the test-paper stick insertion part, and a urine nozzle part that corresponds to the test-paper stick insertion part. The urine collecting means with the other end urine collection port located at the proper place in the toilet and the one end washing nozzle part corresponding to the test paper stick insertion part, and the other end through the valve to the bottom of the flush water tank of the toilet bowl. And a washing means in which a branch pipe provided with a valve is communicated with the urine collecting means.

In the urine automatic inspection apparatus having such a configuration, when the person to be measured inserts the test strip stick into the test strip stick insertion portion, for example, the insertion inspection sensor provided in this insertion portion detects the insertion and opens / closes the urine collection opening portion. Open the department. Here, when the subject urinates to the toilet bowl (the urine collection port), urine is sprayed from the urine nozzle onto the test paper surface through the urine collection pipe. For example, a urine passage sensor is provided in this urine collection pipe, and when it is detected that urine has passed, that is, urine spray has been performed,
The on-off valve of the urine collection port is closed, and the drive mechanism of the urine test sensor is activated, and the urine test sensor approaches the test paper surface and detects the amount of color reaction light. After this, the urine test sensor retracts and returns to the original position.

Here, the wash water valve is opened and the wash water in the wash water tank flows toward the wash nozzle. That is, the wash water that has been pumped to the front of the wash water valve and stopped due to the water pressure in the wash water tank is sprayed from the wash nozzle to the test paper surface when the valve is opened, and the test paper stick is washed.
Here, the person to be inspected takes out the washed test paper stick from the insertion portion and discards it. After that, the valve of the branch pipe and the opening / closing valve of the urine collection port are opened, the wash water flows through the branch pipe into the urine collection pipe, overflows from the urine nozzle and the urine collection port, and completely cleans the urine collecting means.

(E) Embodiment FIG. 4 is an external perspective view showing a specific embodiment of the urine automatic inspection apparatus according to the present invention.

The urine automatic inspection device is composed of a toilet bowl (a sitting-type toilet bowl in the embodiment) 2 having a wash water tank 21, and an inspection main body 1 attached to the toilet bowl 2.

The test body 1 has a urine test means (urine test sensor) 3, which will be described later, a urine collecting means 4 and a cleaning means 5 built therein, and a measurement value (urine sugar value) display unit 12 is provided on the surface of the case of the test body 1. And a test strip stick insertion part 11 is opened at one end of the case, and an insertion detection sensor 13 for detecting the insertion of the test strip stick is provided inside the insertion part 11 (see FIG. 1). reference).

FIG. 1 is a schematic explanatory view of the principle of the automatic urine testing apparatus (test main body 1 and toilet 2) of the embodiment.

The urine test means 3 is provided inside the test body 1 and is arranged corresponding to the test-paper-stick insertion portion (test-paper surface 61 of the test-paper stick 6 to be inserted) 11. Urine test means 3
The sensor box 31 has a light-receiving / light-emitting surface of a built-in reflection sensor and a drive mechanism 32 for moving the sensor box 31 back and forth with respect to the test paper surface 61. The drive mechanism 32 is
A horizontal arm 33 is projected from the sensor box 31, and the horizontal arm 33 is fixed to the drive shaft 35 of the motor 34.
The sensor box 31 is set in such a manner that the sensor box 31 is moved forward and backward relative to the test paper surface 61 by being connected to the test paper surface 36 by the rotation of the rotary arm 36. In addition, as shown in FIG.
At the top of the tip of the (the side opposite to the horizontal arm 33), push-up shaft 38
When the sensor box 31 is advanced in the direction of the test paper surface 61, the opening / closing plate 14 that opens and closes the advance path is pushed upward to maintain the open state of the advance path. That is, only when the sensor box 31 approaches the test paper stick insertion portion 11, the opening / closing plate 14 is opened, and the liquid receiving from the washing nozzle 53 and the urine nozzle 43 causes the receiving / light emitting surface of the sensor box 31 to move. It is set to protect.

The urine collecting means 4 has a urine collecting port 4 at one end of the urine collecting pipe 41.
2. A urine nozzle 43 is provided at the other end, the urine collection port 42 is installed in the urine discharge part of the toilet bowl 2, and the urine nozzle 43 is arranged corresponding to the test paper stick insertion part (the position corresponding to the test paper surface 61) 11. There is. A urine collection pump 44 and a urine passage sensor 45 are provided in the urine collection pipe 41, and an opening / closing valve 46 is provided near the urine collection port 42.
Has been deployed.

The cleaning means 5 connects one end portion 52 of the cleaning pipe 51 to the bottom hole 22 of the cleaning water tank portion 21 of the toilet 2 and the other end portion (tip portion).
The cleaning nozzle 53 is provided in the above, and the cleaning nozzle 53 is arranged corresponding to the test paper stick insertion portion (test paper surface 61). A washing valve 55 is provided at the center of the length of the washing pipe 51, and a branch pipe 56 is branched to the downstream side (the washing nozzle 53 side) of the washing valve 55, and a liquid passage sensor 57 is provided in the branch pipe 56. A branch valve 58 is provided and connected to the urine collecting pipe 41. The cleaning valve 55 and the branch valve 58 are normally closed, and the cleaning water in the cleaning water cunk 21 is pumped to the cleaning valve 55 by the tank water pressure and stopped.
Further, the washing nozzle 53 and the urine nozzle 43 are vertically opposed to the test paper surface 61 with the sensor box 31 interposed therebetween, and below the washing nozzle 53 and the urine nozzle 43 are shown in FIG. Thus, the waste liquid trays 15 are arranged correspondingly.

FIG. 3 is a partially enlarged perspective view showing the positional relationship between the waste liquid tray 15 and the toilet bowl 2.

The waste liquid tray 15 has a tip portion pulled out from the inspection main body 1 and a notch concave portion provided at an appropriate position on the upper peripheral edge portion 22 of the toilet bowl 2.
It is set so that it is fitted inside 23 and covered by the toilet seat 24.

FIG. 5 is a flowchart showing a specific processing operation of the automatic urine testing apparatus of the embodiment.

Urine collection means (urine collection pump 44) 4, urine examination means (drive motor 34) 3, cleaning means (cleaning valve 55, branch valve 57)
Although not shown, the test sheet insertion detection sensor 5 and the test sheet insertion detection sensor 13 are electrically connected to each other and drive-controlled by the control unit.

In addition, a detection sensor (reflective sensor) that detects sitting when the person to be inspected sits on the toilet 2 is provided at an appropriate position of the toilet 2 (not shown).

Now, when the person to be measured sits on the toilet 2, the detection sensor detects the sitting and enters the measurement standby state [step (hereinafter referred to as “ST”
1). Then, the start switch is turned on, that is, the opening / closing valve 46 of the urine collecting means (urine collecting port 42) 4 is opened (ST
2). Here, the person to be inspected urinates to the toilet bowl (urine collection port 42) (ST3). Then, when the test paper stick 6 is inserted into the stick insertion portion 11 (ST4), the insertion detection sensor 13 detects the insertion, and the motor 34 is driven by the detection output, and the sensor box 31 moves forward to open the opening / closing plate 14. After pushing up and approaching the test paper stick 6 to read the blank value of the test paper surface 61, the test paper stick 6 is returned to the original position. Then, the urine collection pump 44 is driven to suck the urine stored in the urine collection port 42 and spray it from the urine nozzle 43 onto the test paper surface 61. At this time, the urine passage sensor 45 detects passage of urine and closes the on-off valve 46, and the sensor box 31 moves forward again to approach the test paper surface 61, and the color reaction light amount is read and compared with the blank value. The urinary sugar value is detected at and the measurement result is displayed on the display unit 12 (ST5). The cleaning valve 55 opens when the sensor box 31 that has completed the measurement returns to the original position, that is, when the opening / closing plate 14 blocks the communication between the sensor box 31 and the test paper surface 61. Here, the wash water that has been absorbed and stopped by the wash water in the wash water tank 21 up to the wash valve 55 flows toward the wash nozzle 53 when the valve 55 is opened, and sprays and cleans the test paper stick (test paper surface 61). . Thereafter, the person to be inspected takes out the washed and clean test paper stick 6 from the insertion portion 11 and discards it in the waste box (ST6).

Then, when the person to be inspected moves away from the toilet 2 (ST7), the detection sensor (reflection sensor) detects this, opens the on-off valve 46 of the urine collecting means 4, and causes the liquid sensor 57 to draw flush water. Upon detection, the branch valve 57 of the branch pipe 56 is opened, the washing water flows to the urine collecting pipe 41 through the washing pipe 51 and the branch pipe 56, overflows from the urine nozzle 43 and the urine collecting port 42, and is washed. The cleaning liquid ejected from the urine nozzle 43 flows to the waste liquid tray 15 below and flows out from the waste liquid tray 15 into the toilet 2, and then the on-off valve 46 is closed to wait for the next measurement.

(F) Effect of the Invention According to the present invention, as described above, the base end of the urine collecting pipe is arranged corresponding to the urine collecting part in the toilet bowl, and the tip urine nozzle is arranged corresponding to the test paper stick inserting part, respectively, and the base end of the cleaning pipe Part is connected to the bottom hole of the wash water tank, the tip washing nozzle is arranged corresponding to the stick insertion part, and the urine test means is moved forward and backward with respect to the stick insertion part. Urine test is automatically executed just by inserting it into the stick insertion part of the main body, and the test paper stick that has finished the test is automatically washed, so it is extremely hygienic to dispose of the used test paper stick. is there.

Further, since the inspection main body of the present invention has a simple structure by omitting the complicated mechanism such as the test strip cassette and the test strip feeding means, the downsizing of the device can be achieved and the breakdown is small. Moreover, in the present invention, by utilizing the water pressure of the wash water tank of the toilet bowl, the test paper stick and the urine collecting means are washed only by the opening / closing operation of the valve. It does not require large-scale work such as connecting to a washing pipe equipped with a pump, and it is possible to prevent negative pressure from being generated on the water supply side when water is cut off and sewage such as urine wash water flowing back to the water supply side. In addition, it has an excellent effect of achieving the object of the invention, such as being able to provide a simple and inexpensive automatic urine test apparatus.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing an urine automatic inspection device according to an embodiment, FIG. 2 is an enlarged cross-sectional view of a main part of an inspection body, and FIG. 3 is a partially enlarged view showing a relationship between a waste liquid tray of the inspection body and a toilet bowl. FIG. 4 is a perspective view showing a urine automatic inspection apparatus according to the embodiment, and FIG.
FIG. 1 is a flow chart showing a specific processing operation of the urine automatic inspection device of the embodiment, FIG. 6 is a perspective view showing a conventional urine sugar meter, and FIG. 7 is a perspective view showing a conventional urine automatic inspection device. is there. 1: Test body, 2: Toilet bowl, 3: Urine test means, 4: Urine collection means, 5: Washing means, 11: Test strip insertion part, 21: Wash water tank, 43: Urine nozzle, 53: Wash nozzle, 55: Valve, 56: Branch pipe.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tamio Miyake, Tateishi Life Science Institute, No. 3, Nakamimon-cho, Hanazono, Ukyo-ku, Kyoto Prefecture (56) References JP-A-61-218943 (JP, A) Kai 62-187253 (JP, A) JP 63-188761 (JP, A) Actual break 63-118566 (JP, U) Actual break 63-118565 (JP, U)

Claims (1)

[Claims] 1. A test-paper stick insertion part, a urine tester capable of advancing and retreating arranged corresponding to the test-paper stick insertion part, and a urine nozzle part arranged at one end corresponding to the test-paper stick insertion part. Then, the other end urine collection means with the urine collection port placed in a proper place in the toilet and the one end washing nozzle part corresponding to the test paper stick insertion part, and the other end through the valve to the bottom of the flush water tank of the toilet bowl. An automatic urine testing apparatus comprising: a washing means that communicates with a branch pipe having a valve and communicates with the urine collecting means.